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Free_Kalibri [48]
3 years ago
12

If 3/5 of a number is 6 less than 15, the number is

Mathematics
1 answer:
zloy xaker [14]3 years ago
3 0

In numeric terms, our equation is:

3/5n (3/5 of a number)

= (is)

15-6 (6 less than 15)

\frac{3}{5}n=15-6

Firstly, solve the subtraction: \frac{3}{5}n=9

Next, multiply both sides by 5/3 and <u>your answer will be n=15 , or A.</u>

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Ann increased the quantities of all the ingredients in a recipe by 60\%60%60, percent. She used 808080 grams (\text{g})(g)left p
kari74 [83]

Answer:

50 grams

Step-by-step explanation:

Let the amount of cheese required by the recipe be "x"

Ann increased 60% from original amount and then used up 80 grams. Thus:

<em>Original, increased by 60%, became 80</em>

<em />

This translated to algebraic equation would be:

x + 0.6x = 80

<u>Note:</u>  60% = 60/100 = 0.6

So we can solve the above equation for "x" and get our answer. Shown below:

x + 0.6x = 80\\1.6x=80\\x=\frac{80}{1.6}\\x=50

Hence,

the recipe required 50 grams of cheese

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sladkih [1.3K]

Answer:

49

Step-by-step explanation:

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Multiplying unit fractions by whole numbers 1/5x4
lukranit [14]

Answer:

4/5

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