13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer:
Avery's mistake was adding the fractions together, she should've multiplied them together to get 3/8 square yards.
Answer:
hard
Step-by-step explanation:
I have never seen this before
Answer:
3 Cupcakes
Step-by-step explanation:
First, multiply the percentage, 30, times the number of cupcakes, 10, ad you get 300. Then, divide that by 100, and oyu get your answer, 3 cupcakes.
*Or since this form of equation is in a simpler form of 10 cupcakes, just get rid of the percentage sign and the 0 in 30%. I hope this helps :)