3 years ago

Reeeeeeee helpp mee with hw

Mathematics

1 answer:

kap26 [50]3 years ago

8 0

Answer:

200 and 50

Step-by-step explanation:

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Step-by-step explanation:

(fg)=(f.g)

this is how it starts: (fg)(X)= f(x) [g(x)]

x=5

f(5).g(X)

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4 years ago

36% of what number is 180?

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3 years ago

At Joe's Pizzeria, small pizzas cost $7.50, and large pizzas cost

Morgarella [4.7K]

Answer:

Option B. 44 is the correct answer

Step-by-step explanation:

Let l be the number of large pizzas and s be the number of small pizzas

Then according to the given statement the equations will be:

$l+s = 100\ \ \ Eqn\ 1\\11l+7.5s = 848\ \ \ Eqn\ 2$

From equation 1

$l = 100-s$

Putting in equation 2

$11(100-s)+7.5s = 848\\1100-11s+7.5s = 848\\-3.5s+1100 = 848\\-3.5s = 848-1100\\-3.5s = -252\\\frac{-3.5s}{-3.5} = \frac{-252}{-3.5}\\s = 72$

Putting s=72 in equation 1

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How many more small pizzas means we have to find s-l

So,

s-l = 72-28 = 44

Hence,

Option B. 44 is the correct answer

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3 years ago