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Ann [662]
2 years ago
12

Sam is 12. In four years, his age will be 2/3 the age of his cousin Lupe. How old will Lupe be in two years?

Mathematics
1 answer:
Sliva [168]2 years ago
3 0

Answer:

8

Step-by-step explanation:

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A trip to Portland, Oregon, from Boston will take 7 3/4 hours. Assuming we are two-thirds of the way there, how much longer in h
schepotkina [342]
First turn 7 hours and 3/4 hours into a decimal number.  This will help when doing equations (the work).

This means finding the decimal value of 3/4.  3 divided by four is .75, which means that's the decimal value.  Now add 7.

The full decimal number is 7.75 hours.

Now, the question says you are two-thirds there, meaning you have one-third to get there, also known as 1/3.  

What you can do to find how much longer the trip will take is divide 7.75 by 3 which will give you one-third of 7.75.  

One-third of 7.75 is 7.75 divided by 3 which is approximately equal to 2.58.

Since the unit is hours, 2.58 represents 2.58 hours.

Therefore, the answer is that it will take 2.58 hours longer to get to Portland, Orgeon.

Remember to do a bit of studying, understand how the question can be solved, and doing procedures with fractions.

I hope this helped!




8 0
2 years ago
Write square root 99 add square root 44 in the form A square root B where A and B are intergers
Ad libitum [116K]
16.5831239518, i believe this is the answer
3 0
2 years ago
Ali simplifies the expression 9y+y to 9y2. why is she wrong?
Scorpion4ik [409]
<span>9y+y = y(9 + 1) = 10y
answer is 10y

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hope it helps</span>
7 0
2 years ago
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A kite has a height of 36 inches and a width of 30 inches. Explain how to use the area formula for a triangle to find the area o
natta225 [31]

Answer:

You can view a kite as 4 triangles

Step-by-step explanation:

A geometric kite can easily be viewed as 4 triangles.  The formula to calculate the area of a kite (width x height)/2 is very similar to the one of a triangle (base x height)/2.

According to the formula to calculate the area of a kite, we would get:

(36 x 30)/2 = 540.

If we take the approach of using 4 triangles, we could imagine a shape formed by 4 triangles measuring 18 inches wide with a height of 15.

The area of each triangle would then be: (18 x 15)/2 = 135

If we multiply this 135 by 4... we get 540.

7 0
2 years ago
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What is the interest rate if a principal of $213 earns $42.60 in interest in five years?
vladimir1956 [14]

Answer:

Step-by-step explanation:

Interest = P*r*t/100

42.60=\frac{213*r*5}{100}\\\\213*r*5=42.60*100\\\\213*r*5=4260\\\\r=\frac{4260}{5*213}\\\\r=4

Rate of interest = 4%

6 0
2 years ago
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