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The third equation is the answer
Answer:
x≤9/2
Step-by-step explanation:
8x+15≤51
Subtract 15
8x+15-15≤51-15
8x+≤36
Divide by 8
8x/8≤36/8
x≤9/2
28 miles in 32 minutes. We need to find how far in 1 minute, so 32 divided by 32 gives us 1 minute. 28 divided by 32 gives 0.875 miles in a minute.
Apply to Beverly. 48 divided by 48 to give 1 minute. 42 divided by 48 is 0.875 miles in a minute.
The answer is yes, they are proportional.