Since 15 workers did 8 hours of work, the total amount of work needed is 120 hours. Half of this job would be 60 hours. Then divide this amount by the 5 workers doing the job. This would make the job 12 hours
Answer:
l think the answer is B
Step-by-step explanation:
The eighth patern should give the result 81
The complete question is as follows:
Jessica is a custodian at Oracle Arena. She waxes 20 
of the floor in 
of and hour. At this rate, how many square meters can she wax per hour
?
Answer:
Step-by-step explanation:
Answer:
B. 9.6 %.
Step-by-step explanation:
A = P e^rt
His investment doubles so it comes to 3000 * 2 = $6000.
Substituting in the formula>
6000 = 3000e^7.2r ehere r is the interest rate.
e^7.2r = 2
Taking logs
7.2r = ln 2
r = ln2 / 7.2
r = 0.096
So the rate is 9.6%.
