Donna is a computer repair person. She charges a flat fee of $20 for each computer plus an hourly charge of $9 per hour. Yesterd
ay she worked on 6 computers and spent a total of 3 hours working. How much money did she make?
1 answer:
Answer:
$147
Step-by-step explanation:
20×6=120 9×3=27. 120+27=147
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7.8 = 0.65x
x = 100/65 * 78/10
x = 10/5 * 6
x = 12
Answer:
Step-by-step explanation:
let x be the number
6+1/5x=12
1/5x=12-6
1/5x=6
x=5*6
x=30
check: 6+(1/5*30)=6+6=12
the SAS similarity theorem
Answer:
-7 m + 8 n + 5
Step-by-step explanation:
-4m + 5n - 2 - 3m + 3n + 7
combine like terms
-4m -3m +5n +3n -2+7
-7 m + 8 n + 5
Answer:
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Step-by-step explanation:
