enVision Math 7: Topic 5 Test Review

Moesha needs $79.50 for a class trip. She already has $22.35 and she can earn the rest by babysitting for 8 hours. Fill in the equation with the best answers that can be solved to find h, Moesha's hourly earnings.

​ (a)   =​ (b)   +​ (c)   h

• 79.5
• 22.35
• 8

Neil's airplane needs a full tank of fuel to travel 2,600 miles. How many tanks of fuel, t, does Neil's airplane need to travel no more than 7,800 miles?

• The plane needs 3 tanks of fuel or less.

• The plane needs 3 tanks of fuel or more.

• The plane needs less than 3 tanks of fuel.

• The plane needs more than 3 tanks of fuel.

Anya budgets $200 for commuting to work each month. She buys a monthly bus pass for $72.50 and spends $7.25 each time she buys lunch. Write an inequality that describes the number of days that Anya can afford to buy lunch.

Daniel needs to learn how to tie at least 35 different knots to earn a badge from his scout troop. He already knows how to tie 18 knots. How many knots, k, does Daniel still need to learn to tie?

• $k\le17$
  

• k≥17
  

• k=17

• k=18
  

To prepare for a party, Mark buys a small bunch of balloons for $6 and gift bags that cost $5.15 each. He spends a total of $72.95 on the balloons and a gift bag for each person invited to the party. How many people did Mark invite to the party?

• 13

• 7

• 15.33

• 42.05

Mathematical Equivalence

ON

Mathematical Equivalence

ON

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Jill always buys the same kind of shampoo in an 11.5 ounce bottle. She is at the store buying more and sees that the bottle is now bigger and has 20% more for the same price. How many ounces of shampoo are in the new bottle?

Which scenario represents the expression 4x-4?

• Jack earns $4 per hour;

  x represents the number of hours he works

• Alex is 4 years older than 4 times Ava's age;

  x represents Ava's age

• A store has a 4% discount on gloves;

  Mike bought x pairs of gloves at $4 a pair

• Jane bought x number of tickets at $4 each and had a coupon for $4 off the total cost