Iam doing my math homework and i don't know how to do these type of problems -21=y/2

Step 1: Simplify both sides of the equation

-21=1/2y

Step 2: Flip the equation

1/2y=-21

Step 3: Multiply both sides by 2

2(1/2y)=2(-21)

y=-42

answer: check all that apply, where the options?

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.