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san4es73 [151]
3 years ago
11

4/5-2/15= 4/7-2/8= Find the difference

Mathematics
1 answer:
GenaCL600 [577]3 years ago
5 0
1. 4/5 - 2/15 = 2/3

2. 4/7 - 2/8 9/28
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1.How much taller Porter is than Henry, given that Porter is n inches tall and Henry is m inches tall. 2.How many times as tall
EleoNora [17]

Answer:

Porter is n-m inches taller than Henry.

Porter is \frac{n}{m} times taller than henry.

Step-by-step explanation:

The difference in height can be found using subtraction.

Since Porter is taller than Henry, we'll subtract away Henry's height from Porter's height. This will leave us with only the difference between the heights.

n = Porter's height

m = Henry's height

Difference in height is thus:

n-m

Answer: Porter is n-m inches taller than Henry.

To find out how many times taller Porter is than Henry, we can use division.

An example: if Porter was 200cm, and Henry was 100cm, Porter is obviously 2 times as tall.

If we divide Porter's height by Henry's height...

\frac{200}{100}=2

..we'll get 2. This is because Henry's height "fits in twice" in Porter's height. 100 fits twice in 200.

Using our values, n and m, we'll divide n by m.

\frac{n}{m}

Answer: Porter is \frac{n}{m} times taller than henry.

3 0
3 years ago
Elmer has a collection of 300 fossils. Of those, 21% are fossilized snail shells. How many fossilized snail shells does Elmer ha
kakasveta [241]
Use the percent proportion

 21          x
——  = —— 
100        300

to solve :
21 x 300 = 6300
6300 ÷ 100 = 63

Answer = 63 of Elmer’s shells are fossilized snail shells :)
4 0
3 years ago
HELP!!!
Reptile [31]

Answer:

(a) $ 30000 + 1500 t

(b) $ 52500

Step-by-step explanation:

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Profit increases every year by 5 %.

(a) Let the profit after t year is

P = $ 30,000 + 5% of 30,000 t  = $ 30000 + $ 1500 t

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P = $ 30000 + $ 1500 x 15 = $ 52500  

5 0
2 years ago
Goodmorning hope you have a great day :)
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Answer:

hello good morning.have a nice day

6 0
2 years ago
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One side of a square is 8 centimeters long what is the area
Leni [432]
A= b(h)
a= 8(8)
a= 64cm^2
5 0
3 years ago
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