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3 years ago

15

Ingrid walked her dog and washed her car. The time she spent walking her god was one-fourth the time it took her to wash her car

. It took Ingrid 14 minutes to walk the dog. How long did it take Ingrid to wash her car?

2 answers:

elixir [45]3 years ago

8 0

Divid 25 by 14 hope i helped

Orlov [11]3 years ago

5 0

Dog took 14 min 14x4 is 56 min

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3 years ago

arturo paid $8 in taxes on a purchase of $200. assuming the tac rate is the same, what would the tax be on a purchase of $150

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3 years ago

What is 403,000,000,000,000 in scientific

frozen [14]

Answer:

(A) 4.03 x 10^14

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6 0

3 years ago

Read 2 more answers

A cyclist travels 20 miles in the same amount of time it takes a hiker to walk 6 miles. The rate of the cyclist is 7 mph faster

Anna11 [10]

Answer:

The speed of the cyclist is 10 miles per hour .

Step-by-step explanation:

Given as :

The distance cover by cyclist = $D_1$ = 20 miles

The distance cover by biker = $D_2$ = 6 miles

The speed of biker = $S_2$ = s mph

The speed of cyclist = $S_1$ = 7 + s mph

The time taken by both cyclist and biker = t hour

Now. Distance = Speed × Time

So, $D_1$ = $S_1$ × t

Or, 20 = s × t

Or, t = $\frac{20}{7+s}$ .....1

And ,

$D_2$ = $S_2$ × t

or, 6 = s t

Or, t = $\frac{6}{s}$ ....2

From Eq 1 and 2

I.e $\frac{20}{7+s}$ = $\frac{6}{s}$

Or, 20 s = 6 ( 7 + s )

Or, 20 s - 6 s = 42

Or, 14 s = 42

∴ s = $\frac{42}{14}$

I,e s = 3 miles per hour

So, The speed of biker = $S_2$ = s = 3 miles per hour

And The speed of cyclist = $S_1$ = 7 + s = 7 + 3= 10 miles per hour

Hence The speed of the cyclist is 10 miles per hour . Answer

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3 years ago

PLS HELP ME WITH 28 ASAP!! (MUST SHOW WORK!!) + LOTS OF POINTS

Igoryamba

Multiply both by -1: 113.75-112=1.75
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3 years ago

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