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Pepsi [2]
3 years ago
5

How do you do 16 * -4 by step by step

Mathematics
1 answer:
Grace [21]3 years ago
8 0

16 * -4 = -64

First, 16*4 = 64.

Second, a positive times a negative equals a negative.

Other justification:

   16 x -4 means you add -4 to itself 16 times:

   -4 + -4 + -4 + -4 + ... for a total of 16 times gives you -64.

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A motorcycle can go 50 miles using one gallon of gas. About how many gallons of gas will be used to go 150 kilometers? (Hint: 1
gayaneshka [121]

Answer:

The answer to your question is 1.875 gallons

Step-by-step explanation:

Data

distance = 50 mi

volume of gas = 1 gal

volume for 150 km = ?

Process

1.- Convert 50 mi into kilometers

                         1 mile ------------------- 1.6 km

                          x        ------------------ 150 km

                          x = (150 x 1)/1.6

                          x = 93.75 mi

2.- Calculate the gallons wasted

                          1 gallon ----------------- 50 mi

                          x            ---------------- 93.75 mi

                          x = (93.75 x 1)/50

                          x = 93.75/50

                         x = 1.875 gallons

4 0
3 years ago
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