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harkovskaia [24]
2 years ago
9

Jeffrey can jog 5 miles in 40 minutes. How many more miles can he jog in 90 minutes than in 40 minutes? Assume the relationship

is proportional and he jogs at a constant rate.
Mathematics
1 answer:
Romashka [77]2 years ago
8 0

Answer:

I am a cat

Step-by-step explanation:

Meow

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A 15% discount saves you $5 off the price of an electronic game. How much do you save off the regular price if the discount is w
chubhunter [2.5K]

Answer:

The 45% off discount saves an additional $10 compared to the 15% discount for a total of $15 off regular price.

Step-by-step explanation:

We can find the original price of the game through a proportion. A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities. For example, we will compare percent over percent to an equal ratio  of $ to $. Since 15% of 100% is the same ratio as $5 to the unknown original $ price, I write:

\frac{15}{100} =\frac{5}{y}

I can now cross-multiply by multiplying numerator and denominator from each ratio.

15y=100(5)\\15y=500

I now solve for y by dividing by 15.

\frac{15y}{15} =\frac{500}{15} \\y= 33.33333....

The original price was $33.34.

Now, we can find the amount if 45% off and then then compare the two discounts. To find the percent off I can multiply by 0.45(33.34)=15. The 45% off discount saves an additional $10 compared to the 15% discount.

4 0
3 years ago
Thirty-five percent of what number is 17.5?
Naddika [18.5K]
I believe its 50 because 0.35x50=17.5     (35%=0.35)
4 0
3 years ago
The rectangle has an area of 42 sq. in. Which of these could be the dimensions of the rectangle?
photoshop1234 [79]

Answer:

okay

Step-by-step explanation:

8 0
3 years ago
X+7+=-14<br><br> ASAP! PLease!
umka21 [38]

Hey there!

Answer = -21

Explanation:

Let's solve your equation step-by-step.

x + 7 = -14

Subtract seven from both sides:

x + 7 - 7 = -14 - 7

x = -21

So therefore, that is how you found your answer: x = -21

8 0
3 years ago
Read 2 more answers
Wich equation shows y + 1/5 = 3x in standard form
Katen [24]

15x - 5y = 1 it's B in standard form



4 0
3 years ago
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