Question

melissa repairs 5 types of electronic devices in her repair shop. the number of each type that she repaired last week is shown in the bar - graph, answer the questions.
(a) which type of device did melissa repair the most often?
radio television telephone computer cd player
how many repairs on that type of device did melissa make?
repair(s)
(b) how many more televisions than computers did melissa repair?
more
(c) on how many types of devices did melissa perform at most 9 repairs?
type(s)

Explanation:

Step1: Identify highest - bar

The bar for radio is the tallest in the bar - graph, with a height of 12.

Step2: Find difference for televisions and computers

The number of television repairs is 10 and the number of computer repairs is 4. The difference is $10 - 4=6$.

Step3: Count devices with at - most 9 repairs

Television (10 repairs), Telephone (5 repairs), Computer (4 repairs), and CD player (9 repairs) have at most 9 repairs. There are 4 types of devices.

Answer:

(a) Radio, 12
(b) 6
(c) 4