Question

The students are selling cookies at a school fair.

sara is selling 3 chocolate chip cookies for $2.49 .

a)if you wanted to buy one cookie from Sara how much would it cost ?

b) how much would it cost to buy20 of Sara's cookies ?
show your work and explain you reasoning .

Answer 1

a)
3 chocolate chip cookies - $2.49 .
So 1 chocolate chip cookies costs 2.49/3=$0.83
b)
1 chocolate chip cookie costs $0.83
20 chocolate chip cookies cost 0.83*20=$16.6