The cost of 6one by two metere

Mathematics

1 answer:

Alik [6]2 years ago

5 0

Answer:

Rs 17 3/4

Step-by-step explanation:

Cost of 6 1/2 m = 115 3/8

Cost of 1 m = x

x = 115 3/8 ÷ 6 1/2
x = (115*8 +3)/8 ÷ 13/2
x = 923/8 × 2/13
x = 923/(4*13)
x = 923/52
x = 17 39/52
x = 17 3/4

Cost of 1 meter is Rs 17 3/4

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Alja [10]

Answer:

Step-by-step explanation:

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2 years ago

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aev [14]

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3 years ago

16. Suppose Eva has 12 3/4 pounds of flour. The day's baking will require triple that amount.

egoroff_w [7]

Answer:

Option D

Step-by-step explanation:

Given the following question:

$12 \frac{3}{4} \times3$

In order to find the answer, we have to convert the mixed number and then multiply by three, since how Eva needs triple the amount for today's baking.

$12 \frac{3}{4} \times3$
$12\frac{3}{4} =4\times12=48+3=51=\frac{51}{4}$
$3=\frac{3}{1}$
$\frac{51}{4} \times\frac{3}{1}$
$51\times3=153$
$4\times1=4$
$=\frac{153}{4}$

Convert the improper fraction back into a mixed number:

$\frac{153}{4}$
$\frac{153}{4} =153\div4=38\frac{1}{4}$
$=38\frac{1}{4}$

Which means Eva needs "38 1/4 pounds of flour" or option D for today's baking.