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Keith_Richards [23]
4 years ago
14

A motor scooter travels 14 mi in the same that a bicycle covers 5 mi. If the rate of the scooter is 4mph more than twice the rat

e of the bicycle, find both rates
Mathematics
1 answer:
nignag [31]4 years ago
8 0
We observe that 14 is 4 more than twice 5.

The scooter's rate is 14 mph.
The bicycle's rate is 5 mph.
_____
time = distance/rate
14/(2b +4) = 5/b . . . . . . let b represent the bicycle's speed in mi/h
14b = 10b +20 . . . . . . . .cross multiply
4b = 20 . . . . . . . . . . . . . subtract 10b
b = 5 . . . . . . . . . . . . . . . divide by 4. Same answer as above.
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Cyndee is taking her siblings out for dessert. Ice cream, c, costs $4.00 per cone. Brownies, b, are $2.00 each. Water for everyo
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Answer:

The term that represent the amount of money she will spend on brownies is 2b

Step-by-step explanation:

Let

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therefore

The term that represent the amount of money she will spend on brownies is 2b

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Step-by-step explanation:

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Alja [10]
We are given an equation with an unknown variable x. We can find the value of x by dividing both sides by 1.76, as this will leave only x on the right hand side of the equation and its value on the left hand side, as shown below:

(1.34)(5.46)=1.76(x) \\  \\ &#10; \frac{(1.34)(5.46)}{1.76} = \frac{1.76(x)}{1.76}  \\  \\ &#10; \frac{(1.34)(5.46)}{1.76} =x \\  \\ &#10;4.16=x

Thus solving the given equation, we get x =4.16, rounded of to nearest hundredth. 
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3 years ago
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