You can easily check this yourself.
First
3 + 6 + 2 = 11 sure enough
twice as many peanuts as almonds, yes
total cost = 1.5*6 + 3*3 + 1.5*2
= 9 + 9 + 3 = 21 so yes, done
Given: 11-pound mixture of peanuts, almonds, and raisins
Cost:
peanuts - 1.5 per pound
almonds - 3 per pound
raisins - 1.5 per pound
mixture:
twice as many peanuts as almond; total cost of mixture is 21.
a + p + r = 11 lbs
a + 2a + r = 11 lbs
3a + r = 11
r = 11 - 3a
1.5(2a) + 3a + 1.5r = 21
3a + 3a + 1.5r = 21
6a + 1.5r = 21
6a + 1.5(11-3a) = 21
6a + 16.5 - 4.5a = 21
6a - 4.5a = 21 - 16.5
1.5a = 4.5
1.5a/1.5 = 4.5/1.5
a = 3
almonds = 3 lbs
peanuts = 2a = 2(3) = 6lbs
raisins = 11 - 3a = 11 - 3(3) = 11 - 9 = 2 lbs
My answer is: C. 6 lbs peanuts, 3 lbs almonds, 2 lbs raisins
5 answers
what's the answer to the rest of the quiz???
1.)(-5,-1,0)
2.)(-8,-7,5)
3.)(6lbs peanuts,3lbs almonds,2lbs raisins)
2.)(-8,-7,5)
3.)(6lbs peanuts,3lbs almonds,2lbs raisins)
anonymous is correct!
#1 is -5,-1,0