Question 2 A bag contains 30 coins consisting of pennies and nickels. The total value of the coins is $138. Which system of equations can be used to determine the number of pennies, p.
and the number of nickels, n, in the bag?
Answer
A 01n + 05p = 1.38
P + n = 30
.01n + 05p = 30
p1 38
C 0.018 +0.05n = 138
B
P = 30
D
0919 60 059 30
pn=138

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Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test