answer:
21 + 3x (you would not put the x again since it is already given)
step-by-step explanation:
- we have to distribute 3 to the expression in the parenthesis
3 (7 + x)
= 21 + 3x
- this will be the expression once we distribute
Answer: Mark up percent = 20%
Step-by-step explanation:
Given: Cost price of each T-shirt = $5.00
Amount required = $450
Total students = 75
Market price for each T-shirt to raise the required amount = (Amount required ) ÷ 75
= $450 ÷ 75
= $ 6
Mark up percent =
Hence, Mark up percent = 20%
Answer:
$20 is her bonus
Step-by-step explanation:
12 + 12 + 12 = 48
68 - 48 = 20
I could be wrong however, I'm sure it's: -3x-5= 15v (two negatives become a positive. -3-u becomes 3u. (Two negatives also become a positive), and -3+6 is -3x6= -18. Hence, the answer is: 15v+3u-18.
It took him 1 hour and 30 mins .
He needs to go 15 miles. It takes him 1 hour to get 10 miles. After 1 hour has passed he still needs 5 more miles to go. 5 miles is half of 10 so half of 1 hour is 30 mins. 1 hour + 30 mins is 1 hour and 30 mins. (It took him 1 hour 30 mins)