Which could not be a step in solving 18=2(4+x)? A. Collect like terms
B. Isolate the variable
C. Collect variable terms on one side
D. Use the distributive property

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

2x+60=

step-by-step explanation:

where is the diagram then i can answer

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problem

you deposit some money into a bank account paying 4% simple interest per year. you received $72 in interest after 3 years. how much the deposit (principal) was?

result

the principal was $600.

explanation

find principal by using the formula i=p⋅i⋅t, where i is interest, p is total principal, i is rate of interest per year, and t is total time in years.

in this example i = $72, i = 4% and t = 3 years, so..