Answer:
21
Step-by-step explanation:

Multiplying both sides by 7, we get

The two 7s on the left cancel out to give 1, so

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Answer:
9/7.80=1.1538
12/13.80=0.8696
34.11/9=3.79
Step-by-step explanation:
19 × 2 = 18
18 × 20 = 360
Your answer should be 360 kilometers
Answer:
Step-by-step explanation:
Let the weight 3 month ago be x.
<u>20% more than x is: </u>
<u>We now have the following equation:</u>
- 1.2x = 36
- x = 36/1.2
- x = 30 pounds