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Zoe charges £9 per student to attend a dance class. There are y students in the class.

a . Write an expression for the total amount she charges for a class.

b. How much does she charge for 5 students?

c. How many students must she have in the class to make £72?

Respuesta :

a. 9y ( 9 x y)

b. 9(5) - She charges 45$ for 5 students

c. 9y= 72
y = 72/9
y = 8

She must have 8 students in her class.

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