Complementary angles will add up to be 90°, none of these answers add together to be 90 so I’m unsure.
For this case, the first thing we must do is define variables.
We have then:
x: amount of time the assistant works
Y: amount of time the experienced person works
We then have the following system of equations:
x + y = 4
y = (1/2) x
Solving the system we have:
x = 8/3
y = 4/3
Answer:
It would take the roofer, working alone, to complete the same job about:
y = 4/3 hours
Here are the digit values:
2⇒Ones place
3⇒Tens place
0⇒Hundreds place
9⇒Thousands place
You just need to look at the digits right after the hundreds place
Is 32 closer to 0 or 100? Since it it under the halfway point, which is 50, its closer to 0
Answer: 9,000
It Is neither arithmetic or geometric
