Which is the Best Buy?

Which is the better buy,

paying $3.60 for 2 kg of flour,

or,

paying $8.50 for 5 kg of flour?

Remember that a better buy is a cheaper price!

• $3.60 for 2kg of flour is a better buy

• $8.50 for 5kg of flour is a better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which is the better buy,

paying $14.40 for 12 kg of potatoes,

or,

paying $5.50 for 5kg of potatoes?

• paying $14.40 for 12kg of potatoes is the better buy

• paying $5.50 for 5 kg of potatoes is the better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which is the better buy,

paying $9.50 for 500g of cheese,

or,

paying $39 for 2kg of cheese?

• paying $9.50 for 500g of cheese is the better buy

• paying $39 for 2 kg of cheese is the better buy

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which is the best buy out of these soft drink options?

• paying $4.00 for 6x200mL cans

• paying $1.50 for 1.25 L

• paying $1.00 for a 375 mL can

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A chef makes pasty using a 3:1 ratio of flour to butter.
What is the scale factor in this context?

•  $\frac{1}{3}$  

• 4

•  $\frac{1}{4}$  

• 3

How much flour will the chef need to make pastry if the ratio of flour to butter is 3:1 and he has 1.65 kg of butter?

• 3.95 kg of flour

• 5.85 kg of flour

• 4.75 kg of flour

• 4.95 kg of flour

How much butter will the chef need to make pastry if the ratio of flour to butter is 3:1 and he has 7.5 kg of flour?

• 5 kg of butter

• 22.5 kg of butter

• 2.2 kg of butter

• 2.5 kg of butter