Answer:
We don't have the statements but I can tell you the following info:
Step-by-step explanation:
83.4/60= $1.39 for each horn
18*1.39= $25.02 for the 18 additional horns.
$83.40+25.02= $108.42 for the total 78 horns
Answer:
10 months
Step-by-step explanation:
22x+80=30x
subtract both sides by 30x
-8x+80=0
then subtract 80 from both sides
−8x=−80
divide both sides by -8
x=10
Answer:
B
Step-by-step explanation:
Answer:B
5.6x10 -10
Step-by-step explanation:
Answer: 3 1/3 hours
Step-by-step explanation:
Tina rate: 1/5 job/hr
Together rate: 1/2 job/hr
Tyra rate: 1/x job/hr
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Equation:
rate + rate = together rate
1/5 + 1/x = 1/2
2x + 10 = 5x
3x = 10
x = 3 1/3 hrs (time for Tyra to do the job alone)