Colby and Cheryl work in different local supermarkets. Colby regu-
larly earns $8.90 per hour, and he is paid time-and-a-half for each
hour of overtime he works. Cheryl regularly earns $7.10 per hour,
and she is paid double time for an hour of overtime. Who earns
more for one hour of overtime? How much more?
2.
=
=
= 12
'B. 12' is the answer to question 2.
3. The answer to this question is 'B. No, because -1(-1) = 1'
Regrouping 21 ones are regrouped as 2 tens and 1 ones.
10
10
01
---
21
Answer:
2 + (4/7)
Step-by-step explanation:
9 x 2/7 = 18/7 = 2 + (4/7)
Answer:
x=5, y=6. (5, 6).
Step-by-step explanation:
-6x+6y=6
-6x+3y=-12
---------------
simplify -6x+6y=6 into -x+y=1 and y=1-(-x)=1+x
-6x+3(1+x)=-12
-6x+3+3x=-12
-3x=-12-3
-3x=-15
3x=15
x=15/3
x=5
-6(5)+6y=6
-30+6y=6
6y=6-(-30)
6y=6+30
6y=36
y=36/6
y=6