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QveST [7]
2 years ago
10

b) In one year, Clara and Dave borrowed books from a library in the ratio 3:7. Dave borrowed 35 books. Work out the number of bo

oks borrowed by Clara.​
Mathematics
2 answers:
Arisa [49]2 years ago
8 0

I think it would be 15, because 3 doesn't go in evenly into 35. You might have the order of the ratio messed up.

tatiyna2 years ago
7 0

3:7 =

3/7

3/7 = x/35

7x = 105

x = 15

answer : clara borrowed 15 books

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Hoochie [10]
Hi , 3/4 times 28 equals to 84/4
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5 0
3 years ago
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What is 52cm as a fraction of 90cm? (as a simplified fraction)
katrin2010 [14]

Answer:

\frac{26}{45} and \frac{3}{11}

Step-by-step explanation:

(a)

Expressing as a fraction

\frac{52}{90} ( divide numerator/ denominator by 2 )

= \frac{26}{45} ← in simplest form

(b)

Expressing as a fraction

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5 0
2 years ago
What is the equivalent fraction of 60/98
scoray [572]
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7 0
3 years ago
Suppose we want to build a rectangular storage container with open top whose volume is $$12 cubic meters. Assume that the cost o
Snezhnost [94]

Answer:265.25

Step-by-step explanation:

Given

Volume of box=12 m^3

height is 3 times the width

let height, length and breadth be H, L & B

H=3\times B

V=12=L\times B\times H

4=B^2\times L[/tex]

L=\frac{4}{B^2}

Cost of side walls $ 8/m^2

Cost of base $ 12/m^2

Cost of side walls=(2LH+2BH)\cdot 8

Cost of base =12LB

Total cost C=16LH+16BH+12LB

C=48LB+48B^2+12LB

C=\frac{192}{B}+48B^2+\frac{48}{B}

differentiate C w.r.t B to get minimum cost

\frac{\mathrm{d} C}{\mathrm{d} B}=-\frac{192}{B^2}+2\times 48 B-\frac{48}{B^2}

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L=2.19 m

C=$ 265.25

3 0
2 years ago
Answer the statistical measures and create a box and whiskers plot for the following set of data. 4,4,5,5, 6, 6, 8, 10, 11, 11,
vredina [299]

Answer:

Step-by-step explanation:

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6 0
1 year ago
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