Can somebody help moi

Answer:
1/10 cup of frosting
Step-by-step explanation:
If it takes 7/10 cups of frosting to decorate 7 cupcakes, then one cupcake is (7/7)/10=1/10 cup
Proof: 1/10+1/10+1/10+1/10+1/10+1/10+1/10=7/10
Also: 7(1/10)=7/10
Hope that makes sense!