Answer: first multiply then determine if you should add or subtract.
Step-by-step explanation:
Answer:
42
60 divided by 20 equals 3 7 times 3 equals 21 times 2 equals 42
14, 22
x+y = 36
2×x - y = 6
=> x = 36 - y
=> 2×(36 - y) - y = 6
72 - 2y - y = 6
-3y = -66
3y = 66
y = 22
=> x = 36 - 22 = 14
4.65
C
Hope this is right, this is what I got.
3a5a2b
You can prime factorize 15: 3 x 5
