The ratio that is not equivalent is B. 7:15
The reason why it's not equivalent because for the other ratios:
1:5 could be turned into 2:10 by multiplying 1 and 5 by 2.
4:20 could turn into 2:10 by dividing both numbers by 2.
And 8:40 could be divided by 4 to get 2:10.
But you can't do anything to 7:15 to make it 2:10.
Answer:
7 minutes
Step-by-step explanation:
First, subtract 70 from 350.
350-70=280
Now, divide 280 by 40
280/40=7
It took Ms. Thelmas oven to heat up from 70 degrees to 350 degrees in 7 minutes.
Answer:

Step-by-step explanation:
Multiply
.
Answer:
5:05
6
10
Step-by-step explanation:
3:30 + 1 hour = 4:30
4:30 + 35 mins = 5:05 pm
5 days per 1 gallon, 30 days for :
30/5 = 6
500/50 = 10
I hope this helps u
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