Answer:
No, she cannot use a ratio of 21 to 6. You can figure this out in a few different ways. First you can simplify down the fraction 18/3, to get 6/1. 6/1 does not equal 21/6, because 21/6 equals 7/2. However, 6/1 it does equal 36/6. You could also noticed that three doubles to make six, yet 18 does not double to make 21. :D
Step-by-step explanation:
10x6=60 so 180-60=120 and 120 divided by 8 is 15 so the answer is 15 hours
Answer:
Even though you did not add choices, she makes more gardening.
Step-by-step explanation:
65 / 5 is 13, so she makes $13 an hour while gardening.
90 / 9 is 10, so she makes $10 an hour while doing office work.
Answer:
600
Step-by-step explanation:
6 tens = 60 So... 10 times 60= 600
Answer:
you will need 6 $5 bills
Step-by-step explanation: