36.64-21=15.64
15.64-6.14=9.5
The answer is she made $9.50 worth in local calls last month
90 × 7 = 630 , it's not hard, it's easy
Martha’s new weight is 77.25. 3% of 75 is 2.25 and you can find that by multiplying 75 by .03 and adding that number to 75. hope this helps!
You have to find the difference in height between both checkpoints. To do this just calculate 196 - 52. Checkpoint 5 is 144 (meters?) higher than Checkpoint 2.
