- 13. The students in charge of the class booth at a carnival would like
to earn $3 for every item they sell. They spent $55 for the materials
to make the items. Solve the inequality 3x 55 > 65, which
represents how many items they need to sell to make a profit of at
least $65.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

51-50

step-by-step explanation: