Flour is sold in 5kg and 2kg packets. The 5kg packets cost $2.75 each and the 2kg packets cost $1.25 each. If I bought 67 kg flour and the total cost was $38.50, how many of each size did I buy?

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.