Ann increased the quantities of all the ingredients in a recipe by 60\%60%60, percent. she used 808080 grams (\text{g})(g)left parenthesis, start text, g, end text, right parenthesis of cheese. how much cheese did the recipe require?

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:

Original, increased by 60%, became 80

This translated to algebraic equation would be:

x + 0.6x = 80

Note:  60% = 60/100 = 0.6

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

Hence,

the recipe required 50 grams of cheese

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

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