Answer:
- $2.49 each shirt
- $3.99 each slacks
- $7.49 each sports coat
Step-by-step explanation:
If we let s, p, c represent the cost of cleaning the shirts, pants, and coats, respectively, the problem information lets us write three equations:
3s +1p +0c = 11.46
5s +2p +1c = 27.92
5s +0p +1c = 19.94
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A variety of methods and tools are available for solving these equations. We can do it "by hand" using elimination and substitution.
Subtracting the 3rd equation from the 2nd, we get ...
(5s +2p +c) -(5s +c) = (27.92) -(19.94)
2p = 7.98
p = 7.98/2 = 3.99
Substituting this value into the first equation gives ...
3s +1(3.99) = 11.46
3s = 7.47 . . . . . . . . . . subtract 3.99
s = 7.47/3 = 2.49
Substituting this value into the last equation gives ...
5(2.49) +c = 19.94
c = 7.49 . . . . . . . . . . . subtract 12.45
Rachel was charged ...
$2.49 for each shirt
$3.99 for each pair of slacks
$7.49 for each sports coat
Four is in the thousandths place. this is because .0 is tens, .00 is hundredths, and .000 is thousandths.
To divide a whole number by a decimal, write out the division problem with both numbers represented as decimals with the same number of places to the right of the decimal point. For example, you would write 3.0 with one decimal place divided by 1.2.
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Answer: As the time goes up, so does the temperature
Step-by-step explanation:
The graph is consistently showing that the temp goes up with time