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Vanyuwa [196]
2 years ago
12

If 7/8 is multiplied by 4/5, will the product be greater than either of the two factors. Explain

Mathematics
1 answer:
Gala2k [10]2 years ago
8 0

Four fifths of 7/8 will be less than 7/8 (multiplied by a number less than 1).

Similarly, 7/8 of 4/5 will be less than 4/5.

 

This means that the product will be less than each of the original factors

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A man travels from town x to town y at an average rate of 60 mph and returns at an average rate of 50 mph. He takes a 1/2 hour l
Georgia [21]

D/60 + D/50 = 2D/55 - 1/2

 find common denominator ( 3300)

3300/60 = 55

3300/50 = 66

3300/55=60

so then you get 55D +66D= 60(2D)-1650

121D=120D-1650

D=1650 miles

check

1650/60 =27.5, 1650/50 = 33,  27.5 + 33 = 60.5 hours total

1650/55 = 30, 30 x 2 = 60

60.5-60 = 0.5 longer

 so distance = 1650 miles

3 0
3 years ago
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8 0
3 years ago
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Answer:

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8 0
3 years ago
Xavier, Yolanda and Sara shared some money. Yolanda received 40% more money than Xavier, and Zara received 60% of Yolanda's shar
leonid [27]

Answer:

Step-by-step explanation:

Xavier, Yolanda and Zara shared some money.

Let x represent Xavier's share

Let y represent Yolanda's share

Let z represent Zara's share.

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y = x + 40/100×x = x + 0.4x = 1.4x

Zara received 60% of Yolanda's share. This means that

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x = 1176/0.84 = 1400

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z = 0.84 × 1400 = $1176

The sum of the money is

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6 0
3 years ago
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SVETLANKA909090 [29]
At first he had 72 then he gave 27 to his neighbor  ( 27 subtract 72 = 45) and then he gave 15 to his brother  ( 45 subtract 15 = 30) 

he had 30 tomatoes left.
                                                                               
6 0
3 years ago
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