Carol and Janis decide to sew fancy masks to sell on Etsy. Carol can cut, pin, sew and pack a mask in 30 minutes. Working togeth
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Answer:
Step-by-step explanation:
If J can paint a room in 3 hours, in 1 hour she gets of the job done.
If A can paint a room in 4 hours, in 1 hour she gets of the job done. We need to find out how long it takes them if they paint together. The equation for this is:
where x is the number of hours it takes them to get the job done together. Multiply everything through by 12x to get
4x + 3x = 12 so
7x = 12 and
x = 1.7 hours to get the room painted together.
Answer:
$44487
Step-by-step explanation:
If you plug in 10 for t, you are left with the following equation:
. Hope this helps!