Which number makes this sentence true?

21:30=x:50

A. X=30

B. X=32

C. X=35

D. X=41

Sum of two numbers divided by 2

What is the volume of a box that is 5 m in length, 0.3 dam in width, and 0.07 hm in height

John and Nathan share a reward of $140 in a ratio of 2:5. What fraction of total reward does John get?

What are the advantages of switching a quadratic function from standard form into vertex form

Elijah can read 75 words per minute. What is his speed in words per second

At a party guests drank 2/3 of the cranberry punch and 5/6 of the orange punch, They drank the same amount of each. How many ounces of each punch might there have been at the start of the party?

Find the 20th term of an A. P whose first term is 102 and common difference - 3

What percent of 350 is 56?

What is the the importance and applications of percentages in the real world?

What is the volume of the cuboid if it is 0.4cm x 1.5cm x 3.25cm