Me on this one. the answer choices are: a: 1.5 b: 7.5 c: 5 d: 10 show and explain steps on how you got the answer!

Kellan uses 2.5:5 for 7.5 scoops lemonade combined

15/7.5 = 2, so multiply that by the ratio so 2.5(2):5(2) = 5: 10

10 scoops lemonade powder and 5 scoops of water

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25