12) Answer the following without a calculator and show all working: a) 5 8 − 1 4 b) 1 5 6 + 4 1 3
c) 20 × 3 4
d) 28 ÷ 7 8
e) 3 1 2 ÷ 4 8
f) 2 2 3 × 5 8

13) Erica earns $24.80 per hour. Calculate her wage for 3 1 2 hours work and show working.

Step-by-step explanation:

12) Answer the following without a calculator and show all working: a) 5 8 − 1 4

b) 1 5 6 + 4 1 3

c) 20 × 3 4

d) 28 ÷ 7 8

e) 3 1 2 ÷ 4 8

f) 2 2 3 × 5 8

13) Erica earns $24.80 per hour. Calculate her wage for 3 1 2 hours work and show working.

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

the answer is two. hope this !