Equations Practice

Edgar spent $30 on a magazine and some candy bars. If the magazine cost $6 and each candy bar cost $3, then how many candy bars did he buy? $c=the\ number\ of\ candy\ bars$  

•  $30=6+3c$  

•  $30=6c+3$  

•  $30=6+3$  

•  $30=6c+3c$  

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CCSS.HSA.CED.A.3

506 students went on a field trip. Nine buses were filled and 29 students traveled in cars. How many students were in each bus?
 $s=students\ in\ each\ bus$  

•  $9s+20=506$  

•  $9+20s=506$  

•  $9+20=506$  

•  $9s+20s=506$  

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CCSS.HSA.CED.A.3

Tyon won 37 super bouncy balls playing hoops at his school's game night. Later, he gave two to each of his friends. He only has 7 remaining. How many friends does he have?
 $f=number\ of\ friends\ he\ has$  

•  $37-2f=7$  

•  $37f-2=7$  

•  $37-2=7f$  

•  $37-2=7$  

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CCSS.HSA.CED.A.3

Derick spent $14 on a magazine and some notepads. If the magazine cost $5 and each notepad cost $3, then how many notepads did he buy?
 $n=number\ of\ notepads$  

• $14=5+3n$

• $14=5n+3$

• $14n=5+3$

• $14=5+3$

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CCSS.HSA.CED.A.3

You had $24 to spend on eight raffle tickets. After buying them you had $8. How much did each raffle ticket cost?
 $r=\cos t\ of\ a\ raffle\ ticket$  

•  $24-8r=8$  

•  $24r-8=8$  

•  $24-8=8$  

•  $24r-8r=8$  

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CCSS.HSA.CED.A.3

Mandy won 123 pieces of gum playing horseshoes at the county fair. At school she gave four to every student in her math class. She only has 3 remaining. How many students are in her class?
 $s=the\ number\ of\ students\ in\ her\ class$  

•  $123-4s=3$  

•  $123s-4=3$  

•  $123-4=3s$  

•  $123s-4s=3$  

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CCSS.HSA.CED.A.3

Mandy won 123 pieces of gum playing horseshoes at the county fair. At school she gave four to every student in her math class. She only has 3 remaining. How many students are in her class?
 $s=the\ number\ of\ students\ in\ her\ class$  

•  $123-4s=3$  

•  $123s-4=3$  

•  $123-4=3s$  

•  $123s-4s=3$  

Greg's Bikes rents bikes for $17 plus $8 per hour. Emily paid $81 to rent a bike. For how many hours did she rent the bike?
 $h=hours\ the\ bike\ was\ rented$  

•  $17+8h=81$  

•  $17h+8=81$  

•  $17+8=81h$  

•  $17h-8h=81$  

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CCSS.7.EE.B.4A

Emarie had $24 to spend on seven pencils. After buying them he had $10. How much did each pencil cost?
 $p=the\ \cos t\ of\ one\ pencil$  

•  $24-7p=10$  

•  $24p-7=10$  

•  $24-7=10p$  

•  $24p-7p=10$  

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CCSS.HSA.CED.A.3

Aniyah bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With how many boxes did she start?
 $b=number\ of\ boxes\ she\ started\ with$  

•  $\frac{b+7}{2}=22$  

•  $\frac{7b}{2}=22$  

•  $b+7=22$  

•  $2b+7=22$  

Tags

CCSS.HSA.CED.A.3