s, t ,u, M, N and P are integers.
s + 2t = M
t + 2u = N and
u + 2s = P.
What is the average of M, N and P in terms of s, t and u?
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.
s, t ,u, M, N and P are integers.
s + 2t = M
t + 2u = N and
u + 2s = P.
What is the average of M, N and P in terms of s, t and u?
If V/S + 2 = T and S/M = T + 2, what is V/M in terms of T?
P = 0.015, Q = 4 and T = 6. 1) T is how many times as large as PQ? 2) PQ is how many times as large as T? 3) T is what % more than PQ?
In a class of 170 students, the following enrollments are known: 78 study math, 60 study chemistry, 64 study biology, 19 study math and biology, 22 study math and chemistry, 18 study chemistry and biology and 11 study all three subjects. How many of these students study none of the three subjects?
I mangoes produce m liters of mango juice. How many liters of juice will N dozen mangoes produce? How much juice will be produced if 10% of the mangoes are spoiled? How much juice will be produced if B% of the mangoes are spoiled?
A big frog travels (by slow hops) 2 inches in t minutes. At this rate, how many feet can the frog travel in H hours?
The figure below show a part of a circle (sector) with center O and radius 4 and a square ABCD. I. What is the area of the composite figure? II. What is the perimeter of the composite figure?
P, T and Q are integers. If 5P = 3T and 2T = 7Q, what is the ratio of Q:P?
The figure below shows thee scalene triangles ABC, PQR and STU. P, Q and R are mid points of AB, AC and BC respectively. S, T and U are midpoints of PQ, PR and Q respectively. If the perimeter of triangle ABC is 32, what is the perimeter of triangle STU?
ABC and ADE are two equilateral triangles. BD = 1/2 AB and CE = 1/2 AC. What is the ratio of the area of triangle ABC to the area of ADE?
Amar, Akbar and Anthony are roommates in college. One day, Amar ate 1/4th of a pizza, Akbar ate 2/3rd of the remainder and Anthony ate 3/4th of the left over. What fraction of the pizza was left after the three friends had their share?
Salad dressing A contains 3 parts blue cheese and 5 parts olive oil and salad dressing B contains 8 parts Blue cheese and 3 parts olive oil. Bill mixed 8 cups of dressing A with 6 cups of dressing B. What is the ratio of blue cheese to olive oil in Bill's mixture?
Five cartons of eggs cost $12.00. During a super sale, ten cartons of eggs cost only $20.00. What was the % reduction in the price of eggs during this sale?
A 7th grade student is preparing for a creative dress party. She has 3 pairs of shoes, 2 pairs of slippers, 6 different pants, 5 different shirts, 2 hats, 4 different jackets and 2 overcoats. If She can put on shoes or slippers and an overcoat or a jacket. In how many different ways can she dress if she must use one shoe/slipper, shirt, a pant, a hat and a jacket/overcoat?
After completing 87.5% of a long trip, Bill found that he had traveled 1050 miles. He began to wonder how many more miles were left before he would reach his destination. Can you help Bill?
The figure below defines a function. Examine the function then answer the two questions.
P, Q and U are positive integers. 4P + 2Q + U = 60 and 4Q + 3U = 40 + U. What is the value of P?
I n a race between a tortoise and a hare, the tortoise ran at a speed of t m/s while the hare ran at (2t+8) m/s. After 8 hours, the tortoise and the hare stopped to take at break at their respective locations. At this point, the tortoise was how far ahead of the hare?
If 5 bananas cost 2 N cents, how many bananas can you buy for $M?
The average price of 4 math books is $75. The average price of a few computer science books is $120. The average price all these books together is $100. How many computer science books are there?