cutevictoria123
29.05.2020 •
Mathematics
Janet, Kay, and Lam are hiking. Lam forgot to bring water. Janet brought 2 gallons of water and Kay brought 1 3/4 gallons of water. The three of them agree to divide all the water equally among them. Lam gives $2 for the water he receives, which Janet and Kay agree to divide fairly between the two of them. How much money should Janet receive?
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Ответ:
Janet should receive $1.20
Kay should receive $0.80
Step-by-step explanation:
Janet=2 gallons
Kay=1 3/4 gallons=1.75
Total=2+ 1 3/4
=2+7/4
=8+7/4
=15/4 gallons
They agreed to share it equally
15/4÷3
=15/4×1/3
=15/12=1.25
=5/4 each individual gets 5/4
Janet=2-1.25=0.75
Janet gave up 0.75 gallonsof her water
The percentage is
0.75/1.25×100
=0.6×100
=60%
Kay=1.75-1.25=0.50
Kay gave up 0.50 gallons of her water
The percentage is
0.50/1.25×100
=0.4×100
=40%
Janet gets 60% of $2
60/100×$2
=0.6×$2
=$1.2
Kay gets 40% of $2
=40/100×$2
=0.4×$2
=$0.8
Ответ:
Option B is corrrect
thanks