Topic 1: The Number System NJSLA Review

Ricky purchased shoes for $159.95 and then exchanged them at a buy 1, get 1 half-off sale. The shoes that he purchased on his return trip were $74.99 and $68.55. How much did he receive back from the store after his second transaction? Note: The half-price applies to the cheaper of the two pairs.

• $37.50

• $68.55

• $34.28

• $50.68

What is the sum of k and the opposite of k?

• 2k

• k + 1

• 0

• -1

What is the value of b in the diagram?

• 0.8

• 1

• 1.8

• 2.2

Kyle and Mark started at the same location. Kyle traveled 5 miles due east, while Mark traveled 3 miles due West. How far apart are they?

• 2 miles

• 8 miles

• 15 miles

• 12 miles

Which of the following is the same as 7 – (3 + 4)?

• 7 + (–3) + (–4)

• 7 +(–3 + 4)

• 7 + 7

• –7 – 7