Answer:
A= 27/8 feet
B= 21/4 feet
Step-by-step explanation:
First, on both we need to convert to common denominators:
A.
Multiply:
4 1/4 times 2= 4 2/8
now we have to make 4 2/8 an improper fraction:
4 times 8=32, 32+2=34
34/8
Subtract the below ground length from the total length:
34/8-7/8= 27/8
Repeat:
B.
Multiply:
1 1/2 times 2= 1 2/4
Now we have to make 1 2/4 and 6 3/4 improper fractions:
1 times 4=4+2=6
6/4
6 times 4-24+3=27
27/4
Subtract the below ground length from the total length:
27/4-6/4= 21/4
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