Answer:teo is 14
Step-by-step explanation:
richard would be 17
Use proportions.
(a)
2 workers are to 19 as x workers are to 38
2/19 = x/38
x = 4
(b)
2/19 = x/76
x = 8
(c)
2/19 = x/133
19x = 2 * 133
19x = 266
x = 14
Answer:
85 bolts.
Step-by-step explanation:
The work rate of a machine is given by the job completed per time:
. If your problem has multiple machines working together to complete a job, you should sum their work rates:
In the problem given:

To solve the equation system for
, you could subtract the first and last equations:

Then,
.
A = 120 and C = 45 I took the test
The answer should be 2. Which means after two years they will be the same amount.