Answer:
Tax 3.78 $ and tip 7.56 $
Step-by-step explanation:
42*0.09 = 3.78
42*0.18 = 7.56
Answer: 0.072
Explanation: There are 3 zeros in 1000, so there must be 3 decimal digits.
The equation is 40/12=3 1/3
Answer:
3 - (-7)
= 3 + 7.
Step-by-step explanation:
A double negative is equivalent to a plus.