Roberto began his collection of trading cards when his grandfather presented him with a set of 18 cards. Each week, he added 5 cards to his collection. His collection grew by the sequence shown below.

18, 23, 28, 33, ...

How many cards did he have at the end of the 10th week?

A. 68

B. 58

C. 72

D. 63

Question

Mathematics

Ty Hickman

22 December, 10:24

Roberto began his collection of trading cards when his grandfather presented him with a set of 18 cards. Each week, he added 5 cards to his collection. His collection grew by the sequence shown below.

18, 23, 28, 33, ...

How many cards did he have at the end of the 10th week?

A. 68

B. 58

C. 72

D. 63

+5

Answers (2)

Know the Answer?

Travis Petersen · Answer 1

68

Step-by-step explanation:

if he got 5 cards each week, and there were 10 weeks, then you do 5*10=50

He started with 18, so you need to ad 18 to 50 (18+50=68)

Trace · Answer 2

Trace 22 December, 12:51

0

68

just add five to the numbers

Roberto began his collection of trading cards when his grandfather presented him with a set of 18 cards. Each week, he added 5 cards to his collection. His collection grew by the sequence shown below.18, 23, 28, 33, ...How many cards did he have at the end of the 10th week?A. 68B. 58C. 72D. 63