3 years ago

Shade the grid to represent the ratio then find the missing number

Mathematics

1 answer:

Montano1993 [528]3 years ago

8 0

Explanation:
1). 50 x 2 = 100 ; 23 x 2 = 46 (shade 46 squares)
2). 20 x 5 = 100 ; 11 x 5 = 55 (shade 55 squares)

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A computer sells for $610. It is now on sale for 1/5 off the original price. Derek has a coupon for an extra 10% off the sale pr

belka [17]

Derek will pay $625.25 less than the original prize

<u>Step-by-step explanation:</u>

The selling price of the computer=$610

The selling prize is 1/5 of its original prize

Derek has a 10% off coupon

Let the original prize of the computer=x

selling prize=x-x/5

4x/5=610

4x=3050

x=3050/4=762.5

$The\ prize\ at\ which\ Derek\ will\ buy\ the\ computer=x \times 1/5 \times (100-10)/100\\=x\times 1/5 \times 90/100\\=9x/50\\$

the difference in the original prize and the prize at which Derek bought the computer=x-9x/50

=41x/50

$41 \times 762.5/50\\=$625.25$

Derek will pay $625.25 less than the original price for the computer.

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Step-by-step explanation:

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Is 3/4 equivalent to 5/6

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3/4 = 18/24
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3/4 is not equal to 5/6

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