Answer:
B. 88.8
Step-by-step explanation:
let x represent class y
(x+71.2)/2=80 multiply each side by 2
x+71.2=160 subtract 71.2 by both sides
x=88.8
or
trial an error
replace x with each of the numbers and see if it plugs in.
example:
(80.5+71.2)/2=80
151.7/2=80
75.85=80?
false. incorrect
another example:
(88.8+71.2)/2=80
160/2=80
80=80?
true. correct
7 unit to the left, means it is 7 less than -1.
-1-7 = -8
Ans: -8
3/4 I believe since 6 1/4- 51/2 is 3/4
You do copies divided by minutes
360/30=12
the printer produces 12 pages per minute
Hi there
Assets
house $250,000
car $18,000
piano $1,800
stock investments $3,000
checking account $1,700
Total assets. = $274,500
Liabilities
mortgage $150,000
car loans $6,000
Total liabilities = $156,000
Net worth
Assets - liabilities
274,500−156,000
=118,500
Hope it helps
