5. Five students scored 80 on a test, five students scored 85. and five students scored 90. Finish the statements below.
2 answers:
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Step-by-step explanation:
The two equation will intersect each other at the point which will be the solution of the given two equations , and the given equations are ,
On subtracting the given equations we have,
Put this value in any equation , we have ,
Hence the lines will Intersect at ,
Answer:
14 days
Step-by-step explanation:
Amount earned by gardener for each day worked = $60
Amount paid by gardener for each day when absent = $15
Total number of days = 20
Let the total number of days when the gardener was working = x
Then he was absent for (20 - x) days.
Total amount earned during this period = $750
Then,
=>
=> \[75x = 1050\]
=> x = 14
So the gardener worked for 14 days out of 20.