$60 -$45= $15
$15/ $60* 100%= 25%
The percent discount is 25%~
Answer:
Step-by-step explanation:
Subtract 57 from both sides:
Divide both sides by 4:
In these situations I always see if the bottom number can be multiplied by any number to get to 100. In this case 20 can be multiplied by 5 to get 100. Then all you do if that works is multiply the top number by the same number. So 12 * 5 = 60.
60/100= 60%
Answer:
$90
Step-by-step explanation:
A=lw
A=20x20
A=40 ft²
40x2.25=$90
There would be about 1,283,792 scores below 640.
The 87th percentile means that 87% of the scores are below 640. All we need to do is multiply the total number of scores by 0.87 and we will have the number below 640.