Question

Lamontcanbake19cookieswitheachscoopofflour. HowmanyscoopsofflourdoesLamontneedinordertobake38cookies?

Answer 1

19 cookies with 1 scoop of flour

how many for 38 cookies?

ratio and proportion

scoops:cookies=1:19

1/19=?/38

find ?

multiply both sides by 38

38/19=?

2=?

2 scoops are needed to bake 38 cookies