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3 years ago

PLEASE HELP

Mathematics

1 answer:

Fantom [35]3 years ago

3 0

In step 3, Mark forgot to multiply 5 · 5, so he ended up with 5 in the denominator instead of 5 · 5 = 25

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If a measured distance of 10 inches on your map represents an actual distance of 20 miles, what is the fractional scale of the m

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2:1 is the answer! ....................

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3 years ago

Kaylee has 1 1/2 cups of yogurt to make smoothies. Each smoothie uses 1/2 cup of yogurt. How many smoothies can Kaylee make wi

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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3 years ago

A hoody that costs $18.00<br> was discounted at 40% off.

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2 years ago

A runner can run 2 miles in 14 minutes. At this rate, how many miles can he run in 70 minutes?

igomit [66]

Answer:

The answer is that the runner can run 10 miles in 70 minutes.

Step-by-step explanation:

To solve for the number of miles that the runner can run in 70 minutes, start by setting up the information given from the problem in the form of a proportion.

A proportion is an equation which defines that the two given ratios are equivalent to each other. In other words, the proportion states the equality of the two fractions or the ratios. In a proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other.

The proportion for this problem will look like $\frac{2 miles}{14 minutes}=\frac{x}{70 minutes}$ . (x) will be used as the variable for the number of miles that the runner can run in 70 minutes.

To solve the proportion, start by cross multiplying to form an equation, and the equation will look like $(14)(x)=(2)(70)$ . Next, simplify the equation, which will look like $(14)(x)=140$ . Then, solve the equation by dividing both sides of the equation by 14, and it will look like $x=10$ . The final answer is that the runner can run 10 miles in 70 minutes.

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3 years ago