In order to solve 5 + y = 7 you have to find the value of (y). In this case you could reverse do problem and do 7 - 5 to get the value of y. 7 - 5 = 2, which means y is equal to 2.
Answer:
x=30
Step-by-step explanation:
(3x-10)+(2x-20)=180// 5x-30=180//5x=150//x=30
Answer:
french
Step-by-step explanation:
convert both to percentage:
1. spanish:

2.French:

therefore Claire did better in the French test
In order to do this, all you have to do is divide the area by the width