An electrician

An electrician needs 1 1/3 rolls of electrical wire to wire each room in a house. How many rooms can he wire with 6 2/3 rolls of wire?

Correct answer:

n =  5

Step-by-step explanation:

a=131=1+31=31 3+1=33+1=34=1311.3333 b=632=6+32=36 3+2=318+2=320=6326.6667  n=b/a=320/34=320:34=320 43=3 420 3=1260=5



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Showing 2 comments:
Dano
nice problem with mixed fractions...

Dr Math
Another numbers modification:

An electrician needs 3/5 of a roll of electrical wire to wire each room in a house. How many rooms can he wire with 5 2/5 rolls of wire?

Result: 5 2/5 : 3/5= 9

1 year ago  2 Likes




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