5x6 = 30
3x7= 21
21+30 = 51
is this what you mean? if so, I'm glad to help
Answer:
12=12
Step-by-step explanation:
4.2÷0.35=420÷35
12=12
12-12=0
0=0
Answer: 0.00009
Step-by-step explanation:
9*10^-5 = 9/(10^5) = 9/100000 = 0.00009
Answer: $12.4
Step-by-step explanation:
34.72/2.8 hours = 12.4 dollars/hr
Answer:
3.5
Step-by-step explanation:
we can do proportions
12/16 = 10.5/4x
cross multiply
x = 3.5