Question

Will fan and give out a medal to whoever can help me answer these questions!

Simplify the expressions.

1. 80-12x5
a. 68
b. 340
c. 60
d.20

2. 17-6x10/2+12
a. 27
b. -1
c. 29.7
d. 16

3. 5x(8+7)+7
a. 83
b. 53
c. 54
d. 82

4. [2x(10+5)]-5
a. 12.5
b. 20
c. 25
d. 120

5. Using the order of operations to simplify, which expression is equal to four?
a. 15+3/(6-1x2)
b. [(15+3)/6-1]x2
c. (15+3)/[(6-1)x2]
d. 15+3/[(6-1)x2]

Answer 1

use BODMAS RULE

Answer 2

D
B
D
C
B

Answer 3

Thank you!