Equations of Proportional Relationships

A grocery store sells 3 pounds of grapes for $3.45. Another grocery store sells 5 pounds of grapes for $5.75. Which equation represents the price of grapes, p, for n number of pounds at either store?

• p = 5.75n
• p = 3.45n
• p = 2.00n
• p = 1.15n

Tags

CCSS.6.RP.A.3B

Which equation represents the relationship between the number of trees and the number of apples produced?

• a=(1/13)t
• a=(13)t
• t=(13)a
• t=(28)a

Tags

CCSS.5.OA.B.3

Tiffany tutored for 2 hours and earned $75, 6 hours and earned $225, and 10 hours and earned $375.  Which equation represents the relationship between the number of hours tutored and money earned?

• y=150k+10
• y=675k+18
• y=37.5x
• y=150x

Tags

CCSS.5.OA.B.3

What equation represents the relationship between the graphed data?

• h = 5/5m
• h = 6/5m
• m = 5/5h
• m = 6/5h

Tags

CCSS.8.EE.B.5

Tiana set up tables for a dinner party and placed 6 chairs around each table.  If t represents the number of tables Tiana set up, which equation could be used to find c, the number of chairs Tiana used?

• c =6t
• t = 6c
• c = t+6
• t = c+6

Tags

CCSS.5.OA.B.3

Bananas cost $0.45 per pound. What equation is used to find C, the total

cost of p pounds of bananas?

• C = 0.45p

• C = p + 0.45

• 0.45C = p

• 0.45 + C = p

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSA.REI.B.3

At a grocery store, the price of a watermelon is determined by how many pounds the watermelon weighs. The price of a watermelon that weighs 7.3 pounds is $4.38. Which equation can be used to determine the price, p, in dollars, of any watermelon based on the number of pounds, w, the watermelon weighs?

• p=0.60w

• 0.60p=w

• 0.60+w=p

• p=0.60-w

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1