4.7 quiz

Leon has a container filled with 450 grams of tea leaves. Each morning, he uses 3 grams to make a cup of tea. Write an expression to represent the amount of tea leaves remaining after x days.

• 450-3x

• -450/3

• 450x/3

• 3x=450

Tags

CCSS.6.EE.B.6

Subtract and simplify (2y + 14.6m + 3.8) - (34.8m + 15.6 + 2y).

• 2y+20.2m-11.8

• 56.4m+19.2

• −20.2m − 11.8

• 20.2m+11.8

Tags

CCSS.HSA.APR.A.1

Use the commutative property to write an expression equivalent to -5d + ½.

• -5d + ½

• -½ +5d

• ½ - 5d

• 5d-½

Tags

CCSS.6.EE.A.4

Subtract (-3f - 4g + 9) - (2 - 6f + 5g)

• -9f + g + 7

• 3f - 9g + 7

• 3f - 9g + 11

• -9f + g + 11

Tags

CCSS.HSA.APR.A.1

Subtract  $\left(\frac{2}{9}v\right)-\left(-\frac{1}{3}v+\frac{5}{9}\right)$  

•  $\frac{5}{9}v+\frac{5}{9}$  

•  $-\frac{5}{9}v+\frac{5}{9}$  

•  $-\frac{9}{9}v+\frac{5}{9}$  

•  $\frac{5}{9}v-\frac{5}{9}$  

Tags

CCSS.7.EE.A.1

Barrett is comparing the membership fees for two museums. The art museum charges a one-time fee of $8.25 plus $2.25 per month. The science museum charges a one-time fee of $10.75 plus $3.50 per month. How much does Barrett save after m months by joining the art museum instead of the science museum?

• $2.50 + $10.50m

• $2.50 + $1.25m

• $10.75+3.50m

• $8.25+2.25m

Subtract:

(-3f - 4g + 9) - (2 - 6f + 5g)

• -9f + g +7

• 3f - 9g + 7

• 3f - 9g + 11

• -9f + g + 11

Tags

CCSS.HSA.APR.A.1