Call the number of hours babysitting
and the number of hours walking dogs
.
We know that she earns $6/hr for babysitting or
, and $5/hr walking dogs or
. We also know the total money is $43 and the total time is 8hours. Therefore:
To solve: First rearrange equation 1 to solve for either
or
(doesn't matter which, I'll use
):
Now substitute into equation 2:
and solve for
Now backsubstitute to solve for
:
She babysat for 3 hours and walked dogs for 5.
To check our work:
CHECKS
I could only do 3 loads of laundry.
$12.00/hr x 75 Minutes (1.25hrs) = $15.00
1 load of laundry costs $4.00
1 shift = $15.00 Earned / $4.00 per load = 3.75 loads of laundry
Answer:
$8
Step-by-step explanation:
20% (= 0.20) is deducted from $40.40 * 0.20 = $8.
Answer:
0 zero
Step-by-step explanation:
you must find gf(x) first
g[ f(x) ] = g [ 2 + 1 ]
= 3-2+x which is you sub fx tu g
g [ f (-1) ] = 3-2-1
=0