Sonny substituted 5 for x in the proportion 16/x = 48/12 and cross multiplied to get 240 = 240. Why is this?

What numbers are perfect numbers

How many minutes are in 3 days?

Write all the numbers that round to 50 80 and 240

Do fractions n always need to be renamed to the largest unit?

A football player kicks a 0.94 kg football with a force of 2.4n. Calculate the acceleration of the football as the player kicks the ball. Round your answer to the nearest tenth of a m/s square94kg football with a force of 2.4N.

Nancy is baking a cake. The recipe calls for seven cups of flour and three cups of sugar. She already put in 1/2 a cup of flour. How many more cups of flour does she need to add? Write your answer in decimal form.

george is driving at an average speed of 62 miles per hour. write an expression that would give his distance traveled for h hours. Make a table that records his distance for 3, 5.5., and 8.5 hours

There were 145 children that went to the park today and 60% of the children were boys. How many of the children were girls at the park? A. 58 B. 85 C. 87 D. 232

Does anyone know the answer to this question w (t) = 3t-1; t=4.2

Evaluate the following expressions for r = 13. a) (8 + r) x 3 b) 5r + 97