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?
1 answer:
The gas mileage will increase by 3. 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!!
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Answer:
52 km/hr
Step-by-step explanation:
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Picture below.
5- 12 centimeters is equal to 0.12 m:
the last one is true
6-
the second one is true
Answer:
j=12
Step-by-step explanation:
1. Multiply 8 by both sides
8/1 x 3/2 = j/8 x 8/1
2. Solve
12=j or j=12