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29.01.2021 •
Mathematics
Craig has 80 cents in nickels (n) and dimes (d). He has four more nickels than dimes.
Write a system of equations that models the situation.
Solve the system of equations using any method.
PLEASE I NEED HELP
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Ответ:
Criag has 4 dimes and 8 nickles
Step-by-step explanation:
1 dime = 10 cents
1 nickle = 5 cents
4 dimes = 40 cents
8 nickles = 40 cents
40 cents + 40 cents = 80 cents
8 - 4 = 4
therefore it is equivelent that criag has 4 dimes and 8 nickels.
Ответ:
bin A 3/2,
15/10=3/2,
so oranges =6*3/2=9
bin B
10*2=20
25*2=50,
so x*2=30, x=15 apples
Part B.
Altogether she bought
15 +9=24 fruits
%oranges=(9/24)*100%=(3/8)*100%=37.5%