That’s a lot of words i don’t know
Answer:
15 and 5 hours.
Step-by-step explanation:
Call x the time taken by the first chap, and y the second.

Let's divide by 5 and play with the LHS of the first equation a bit:
we know how much x+y is ( first equation!) let's solve.
At this point it's easy to check that 
Hello! 36 does not belong in the pattern. The pattern is multiply by 2, but 36 doesn’t belong, because half of it is 18 and 18 is not an option. The other numbers go together to make that pattern of multiplying by 2. The answer is 36.
Answer:
<h2> 4(-1+2-3+4-5+6-7+......+1000) = 2000</h2>
Step-by-step explanation:
-1+2 = 1
-3+4 = 1
-5+6 = 1
and so on till -999+1000 = 1
1 .... 1000 - these are 1000 numbers, so
1000:2 = 500 pairs with sum equal 1
4(500•1) = 4•500 = 2000
<u>Find amount spent on magazines:</u>
1 magazine = $3.95
3 magazines = $3.95 x 3 = $11.85
<u>Find amount spent on books:</u>
Amount spent on books = $47.65 - $11.85 = $35.80
<u>Find number of books:</u>
Number of books = $35.80 ÷ $8.95 = 4
Answer: Huge bought 4 books