Expressions

by Angel Leath
(Tallahassee)

Question

Which grouping of numbers gives the expression a value of 15?

A) (6+3)·18 divided by 9-3

B) 6+(3·18) divided by 9-3

C) 6+3·(18 divided by 9)-3

D) 6+3·18 divided by(9-3)

What is the answer? PlZ HELP!

Answer

To answer this question, all we need to do is to solve each of these equations, keeping in mind the order of operations, PEMDAS: Parentheses, Exponents, Multiply, Divide, Add, Subtract.

A) (6+3)·18 divided by 9-3
= 9·18 divided by 9-3
= 18-3
= 15

B) 6+(3·18) divided by 9-3
= 6+54 divided by 9-3
= 6+6-3
= 9

C) 6+3·(18 divided by 9)-3
= 6+3·2-3
= 6+6-3
= 9

D) 6+3·18 divided by(9-3)
= 6+54 divided by 6
= 6+9
= 15

Therefore, the answer to your question is A) and D).