Answer:
In the explanation I'm 80% sure it's this
Explanation:
4 quarters in the pizza so
18 divided by 4= 4.5
4.5 rounded is 5 so she will need 5 pizzas because you can't buy 4 1/2 pizzas.
10*5= 50 so she will need to spend 50$ on the pizza.
a) 5 pizzas need to be ordered and half of a pizza will be left over aka 0.5
b) $45
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