I’ll give brainliest but plz help me I would be so grateful!

1. a

2. c

3. e

Step-by-step explanation:

1. a because she ran 5 miles on friday and ran x miles before friday. we know she had ran a total of 20 miles so we have x+5=20

2. there is a total of 20 clubs andre's school, 5 times more than is cousin's school. we have 20 =5x

3. 20 cats get 5 cups of food. each got an x amount. we get 5 =20x

it could 14.28 but if its not that one then it has to be the 17 one. hope this ! : )

step-by-step explanation: