juniorgutierrez997
08.10.2019 •
Mathematics
Mudrik installed a device on his car that guaranteed to increase his gas mileage by 10%. he currently gets 30 miles per gallon. how much will the gas mileage increase after installing the device?
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Ответ:
Proportion:
1. n/30=10/100
2. n×100=30×10(Cross multiply)
3. n100=300
4. n100/100= 300/100(Rivide both sides by 100.
5. n=3
***3+30=33***
Hope it helps!!
Ответ:
x = -4
or
x = -1/2 = -0.500
Step-by-step explanation: