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2 years ago

Divide £700 in the ratio 5 : 3 : 2

Mathematics

1 answer:

Alexxx [7]2 years ago

4 0

Answer:

Divide £700 in the ratio 5:3:2.

The total number of 'parts' in this ratio

= 5 + 3 + 2 = 10.

So, to work out how much of the total corresponds to 1 part, we need to divide the total sum by the total number of parts: 700/10 = £70.

Now, we can multiply the amount we know for 1 part by each value in the ratio.

Step-by-step explanation:

70 × 5 = £ 350

70 × 3 = £ 210

70 × 2 = £ 140

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Tina baked a batch of 40 cupcakes. daisy baked 4/5 as many cupcakes as tina. miko baked 1/2 as many cupcakes as daisy. how many

Alex17521 [72]

The three girls baked 88 cupcakes altogether.

Cupcakes Baked by Each

Number of cupcakes baked by Tina, T = 40

It is given that Daisy baked 4/5 as many cupcakes as Tina.

Therefore, number of cupcakes baked by Daisy, D = (4T/5) (Applying fractions)

⇒ D = (4/5)×40

⇒ D = 4 × 8

⇒ D = 32

Also, it is given that Miko baked 1/2 as many cupcakes as Daisy.

Thus, number of cupcakes baked by Miko, M = D/2 (Applying fractions)

⇒ M = 32/2

⇒ M = 16

Calculating Total Number of Cupcakes Baked

Cupcakes baked by the three girls altogether = T + D + M

= 40 + 32 + 16

= 88

Hence, the girls together baked 88 cupcakes.

Learn more on fractions here:

brainly.com/question/10354322

#SPJ4

6 0

1 year ago

99 % of the trees in our neighborhood are eucalyptus trees. The town planning commission wants to get rid of some of these trees

Brut [27]

Answer:

50%

Step-by-step explanation:

Let the total number of trees be T and suppose that this is made up of eucalyptus trees E and other kinds of trees, O.

Then E+O=T, and since 99% of the trees are eucalyptus trees, EE+O=0.99.

Therefore

0.99E+0.99O=E

0.01E=0.99O

E=99O.

Suppose we reduce the number of eucalyptus trees by some amount x and that the remaining number of eucalyptus trees are now 98% of the total trees.

Then we would have E−x(E−x)+O=0.98.

Therefore,

0.02(E−x)=0.98O

0.02E−0.02x=0.98O

0.02x=0.02E−0.98O

x=E−50(0.98)O

x=E−49O

x=E−49(E99)

x=5099E≈0.505050...×E.

So we end up removing a little over half of the eucalyptus trees. EDIT: Forgot to mention - removing 50.505050...% of the eucalyptus trees means that we are removing 0.50505050....×0.99T which is 0.5T or half the trees in the neighborhood.

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3 years ago

Determine the value of each expression.<br> i2 =

BigorU [14]

=-2i
you flip it to the reciprocal which would be -2i

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Solve the equation, round the answers to two decimal places. <br> 4=e^0.08t

umka21 [38]

Rearrange the equation by solving for t:
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2 years ago

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const2013 [10]

Answer:

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