Zenaida is shopping and wants to purchase a $320 stereo system. the store is offering an incentive of 10 to 30 percent off when you spin the discount wheel. zenaida spins the wheel and receives 20 percent off. how much will the stereo system cost?
$32
$64
$256
$288
pls will mark brainliest

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

Will mark brainliest, , and rate to only chrislaurencelle clarissa made a scale drawing of a rectangle. she used a scale factor of 3 to draw the new rectangle. how does the length of the new rectangle compare to the original? the length of the new rectangle is 3 times shorter than the original. the length of the new rectangle is 12 times shorter than the original. the length of the new rectangle is 3 times longer than the original. the length of the new rectangle is 12 times longer than the original.

Simplify each expression for 18, 20, and 21