Awater wheel makes 28 revolutions in 90 seconds. how many revolutions can it make in 4 minutes?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement correctly explains wether andrew and kate have enough money to pay their bill