My reason is because if you multiply 4.70 by 3 you will get 14.1 and if you multiply 3.90 by 5 you get 19.5. Add both of them together and you should get 33.6
I hoped I helped
Answer:
I'm so confused, what are you trying to say? lol
1.A 2.B 3.A 4.D i don know the rest sryy
Answer:
A 3
Step-by-step explanation:
Let n = the number
a number decreased by 12
n-12
This is equal to 3 times the opposite =
3 times the opposite
3*(-n)
-3n
Setting the two parts equal
n-12 = -3n
Subtract n from each side
n-n-12 = -3n-n
-12 = -4n
Divide by -4
-12/-4 = -4n/-4
3 =n
Answer:
D. 14
make y the subject of the formula in equation 1 and then substitute it in equation 2