1530 ÷ 29.24 = 52.3256
i am a mathematics teacher. if anything to ask please pm me
She could make 20 servings of lasagna.
There are 4 servings per pound of lasagna, and there are 5 pounds total.
4 x 5 = 20
Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

we know that
the car gets 18 miles per -----------> 1 gallon of gasoline
so
for 543 miles ---------------------> x gallons of gasoline
by proportion
543/18=x/1---------->x=543/18------->x=30.17 gallons
therefore
the answer is
30.17 gallons