# math

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• Ok, it’s 1 dollar per topping plus \$10 just for the pizza and we’re splitting the price. It’s 50 cents for toppings on half a pizza and 25 cents for toppings on a quarter of the pizza.﻿
• ﻿Little Anthony's Pizza
• Ok, it’s 1 dollar per topping plus \$10 just for the pizza and we’re splitting the price. It’s 50 cents for toppings on half a pizza and 25 cents for toppings on a quarter of the pizza.﻿
• So let’s solve: z=price each person pays y=# of toppings. z=(0.25y+20)÷4
• I want 2 toppings, Sara wants none, Merihan wants 2, and Maya wants 1. 5 total toppings, so when we solve, substitute y for 5
• a=10-(5.31+b)
• Then let’s do a quarter of the pizza with each person’s toppings, since there are 6 different toppings we want.﻿
• Today's Special! Solve: Z=[(0.25xY)+20] ______________ 4
• Y is 5.
• Huh?
• Ok, z=[(0.25x5)+20]÷4
• Well, z=[(1.25)+20]÷4, because you start in the parentheses. Then z=[21.25]÷4. Finally, z≈5.31.
• So for lunch, we each pay \$5.31! Now, since we all brought 10 dollars, let’s eat!
• Um...I don’t know.
• We almost forgot drinks! Sara and Merihan both want \$2 drinks, and Mayaand I want \$2.50 drinks. How much do we pay?
• a=amount we each have leftover; b=amount each person pays for drinks.
• Oh...ok!!
• Well, (2.50x2)+(2x2)=9÷4=1.25. B=1.25. What does A equal?
• You can say that again!
• Best lunch ever
• Now I know to solve an equation with 2 variables! you substitute what you can and solve it like normal to find the value of the other variable!
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