it takes one printer, working alone, 9 h longer to print a payroll than it takes a second printer. working together, the printer
s can print the payroll in 6 h. how long would it take each printer, working alone, to print the payroll?
1 answer:
Answer:
7.5 Hours (This is questioned weird though so it could be different)
Step-by-step explanation:
Just add 9 to 6 and you'll have 15 divided by two equals 7.5.
Or since it takes 6 hours for both, multiply by 2 equals 12
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Alvin's age + Elga's age = 84
2R + R = 84
3 R = 84
3/ 3 R = 84/ 3
R = 28
Elga's age is 28
The numerator and denominator must be polynomials so
the answer to your question is - 7x / x^2 ( the last one on the right)
We solve the equation (1/6)x + 14 = (3/4)x, where x is the number of gallons;
We have 2x/12 + 168/12 = 9x/12;
2x + 168 = 9x;
168 = 7x;
x = 168 ÷ 7;
x = 24 gallons;
Answer: 21
Step-by-step explanation:25%=1/4
1/4*84 =84/4
84/4=21
