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horsena [70]
3 years ago
14

Explain how to use the unit rate for miles per hour to

Mathematics
1 answer:
storchak [24]3 years ago
7 0
I always heard ( a mile a minute) at a rate of 60 mph Jenna would travel 480 miles in 8 hours. BRAINLIEST???
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Sally and Karl work at different jobs. Sally earns $7 per hour and Karl earns $5 per hour. They each earn the same amount per we
Lisa [10]

Answer:

Karl works 7 hours a week

Step-by-step explanation:

Step 1: Determine total amount that Sally earns

Total amount Sally earns=rate per hour×number of hours worked(h)

where;

Rate per hour=$7 per hour

Number of hours worked=h

Replacing;

Total amount Sally earns=(7×h)=7 h

Step 2: Determine total amount Karl earns

Total amount Karl earns=rate per hour×number of hours worked

where;

rate per hour=$5

number of hours worked=2 more than Sally=h+2

replacing;

Total amount Karl earns=5(h+2)

Step 3: Equate Sally's total earnings to Karl's total earnings and solve for h

7 h=5(h+2)

7 h=5 h+10

7 h-5 h=10

2 h=10

h=10/2

h=5

Karl works (h+2) hours=(5+2)= 7 hours

Karl works 7 hours a week

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The corporate team-building event will cost $9 if it has 3 attendees. How many attendees can there be, at most, if the budget fo
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Answer:

Step-by-step explanation:

$9 for 3 attendees is $3 a person  or 9:3 ratio

$18 for 6 attendees still $3 a person and goes by the 9:3 ratio, it's 18:6

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