Question

Evaluate the expression 7 + 4 x 5 − (15 ÷ 5) using PEMDAS.

24
27
44
52

Answer 1

`24`

Explanation:

`7\:+\:4\:* \:5\:-\:\left(15\:/ \:5\right)\:`

Follow PEMDAS:

P ~ Parentheses, E ~ Exponents, M ~ Multiplication, D ~ Division, A~ Addition, and S ~ Subtraction.

1) Parentheses:

• 
  `7\:+\:4\:* \:5\:-\:\left(15\:/ \:5\right)\:`

• 
  `7+4* \:5-3`

2) Multiplication:

• 
  `7+20-3`

3) Addition/Subtraction:

• 
  `24`

~

Answer 2

24

Explanation:

7 + 4 × 5 - (15 ÷ 5) ← evaluate parenthesis

= 7 + 4 × 5 - 3 ← evaluate multiplication

= 7 + 20 - 3 ← evaluate from left to right

= 27 - 3

= 24