kenxkeith
27.02.2021 •
Mathematics
Simon veut laver les fenêtres extérieures du 2 étage de sa maison . Les fenêtres sont situées & une hauteur de 8,5 m . Si le pied de l'échelle est m du mur, quelle est la longueur minimale de l'échelle ?
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Ответ:
6 toppings
$7.50
Step-by-step explanation:
let t = topping
Option 1 = 3 + 0.75t
Option 2 = 4.50 + 0.5t
Equate the equations and solve for t:
3 + 0.75t = 4.50 + 0.5t
Subtract 3 from both sides: 0.75t = 1.5 + 0.5t
Subtract 0.5t from both sides: 0.25t = 1.5
Divide both sides by 0.25: t = 6
Therefore, the price of the ice cream cups wil be the same for 6 toppings.
Substitute t = 6 into one of the equations for the price:
price = 3 + (0.75 x 6) = 3 + 4.5 = $7.50