Jay simplified the expression 3×(3+12÷3)−4. For his first step, he added 3+12 to get 15.

What was Jay’s error? Find the correct answer.

he should have first preformed oprations in the pratheses so he should have done (3+12/3) first to get 3*(3+4)-4 then do (3+4) and have 3*7-4 next he should do 3*7 and get 21-4 do that and get the answer 17

Step-by-step explanation:

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

it is true

step-by-step explanation:

all the combinations add up i used   calculator