Answer:
Number of nickels = 5
Number of dimes = 10
Number of quarters = 8
Step-by-step explanation:
Fernando has a total of nickels + dimes + quarters = 3.25$
Let the number of nickels = x
Then x(.05) + dimes(.10) + quarters(0.25) = 3.25------(1)
He has twice as many dimes as nickels
dimes = 2×nickels
dimes = 2x--------(2)
He has 3 more quarters than nickels
quarters = nickels +3
quarters = x +3------(3)
From equations 1, 2, and 3.
x(.05) + 2x(.10) + (x + 3)(.25) = 3.25
.05x + 0.2x + 0.25x + .75 = 3.25
5x + 20x + 25x + 75 = 325
50x = 325 - 75
50x = 250
x = 5
Therefore the number of nickels are 5
from equation 2 number of dimes are 10
and from equation 3 number of quarters are 8.
Answer:
65 and 67
Step-by-step explanation:
two consecutive odd numbers would look like this:
x and x + 2
this is because of how counting numbers works:
1 2 3 4 5 6 7
the consecutive numbers here would be 1, 3, 5, 7, etc.
if one number (x) was 1, the next number would be (x + 2) which is three. This formula will work for all consecutive odd numbers.
so, x + x + 2 = 132
2x + 2 = 132
-2 -2
2x = 130
/2 /2
x = 65
the first number is x = 65
the second number is x + 2 which means this number is 65 + 2 = 67
(check: 65 + 67 = 132)
Mixture B because there’s a higher ratio of coffee to milk than in Mixture A (1:3 vs. 1:2)
Answer:
you have to find the smallest common denominator
Step-by-step explanation:
so once the fractions have the same denominator you can add them easily and simplify
Answer:
isosceles
Step-by-step explanation:
I took the quiz and got the question correct. I promise isosceles is the correct answer.
