Mareo bounces a basketball 45 times in 55 seconds. At that rate, approximately how many times will Marco bounce the ball in 150
seconds?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?