192k views
3 votes
A copy machine makes 28 copies per minute. How many copies does it make in 4 minutes and 15 seconds?

User Shreyans
by
4.4k points

2 Answers

4 votes

Answer:

7140 copies

Explanation:

28 copies =1 minute

x copies= 4 minutes 15 seconds (255 seconds)

cross multiply

x copies=28 *255

x copies = 7140

User KOB
by
5.5k points
4 votes

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️


4 \: min = 4 * 28 \: copies


15 \: sec = (1)/(4) \: min = (1)/(4) * 28 \: copies \\


4 * 28 + (1)/(4) * 28 = 112 + 7 = 119 \: copies \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

User GunnarK
by
5.4k points