Answer:
-24
Step-by-step explanation:
-7 +3 is -4
-4+-20 is -24
I am pretty sure it is talking about interest and $640 is what you start with, with a 3% interest for 2 years
Answer:
= 2*3 * 5 * 7
Step-by-step explanation:
210 = 21* 10
= 3*7 * 5*2
= 2*3 * 5 * 7
Y/3 + 1/4 = 5/12
4y/12 + 3/12 = 5/12
4y/12 = 2/12
4y = 2
/4 /4
y = 1/2
Therefore y = 1/2
