A recipe requires sugar, flour and cocoa in the ratio 5:4:1

1 answer:

3 0

Let x be the amount of cocoa you use in the recipe.

then 4x is the amount of flour used, and 5x is the amount sugar used.

x+4x+5x= 550g
10x=550g
x=55g

So, you use 55g of cocoa, 220g of flour, and 275g of sugar.

hope this helps! :)

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The sum of Sasha’s and Natalie’s ages is 31. Twice Natalie’s age is 11 years more than Sasha’s age. Find each of their ages

ZanzabumX [31]

Answer:

Natalie's age is 14

Sasha's age is 17

Step-by-step explanation:

Let

Sasha's age be "s", and

Natalie's age be "n"

<u>Sum of Sasha and Natalie is 31:</u>

s + n = 31

<u>Twice Natalie is 11 more than Sasha:</u>

2n = s + 11

We ca solve this equation for s first:

s = 2n - 11

We put this into first equation and solve for n first:

s + n = 31

2n - 11 + n = 31

3n = 31 + 11

3n = 42

n = 42/3 = 14

Natalie's age is 14

Also, s = 2n - 11

s = 2(14) - 11

s = 28 - 11

s = 17

Sasha's age is 17

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Andrews [41]

The answer is D. Because (18 x 10^6) + (5 x 10^4) = 18050000. And the answer to 1.805 x 10^7 also equals 18050000, if you do the math.

3 0

3 years ago

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10. MJ and Peter Parker leave school traveling in opposite

Paladinen [302]

Using proportions, it is found that:

Peter is walking at a rate of 3 km/h.
MJ is biking at a rate of 9 km/h.

---------------------------

Peter is walking at a rate of x km/h.
MJ is biking 6 km/h faster than Peter, thus 6 + x km/h.
Opposite directions, thus, their distance increases at a rate of (6 + 2x) km each hour, as $6 + x + x = 6 + 2x$ .