70 = 50 * x/100
x = 70/50*100 = 140
Seventh is 140% of 50.
She bought 4, then she bought 3 more....so she bought 7 packs
each pack contains 12 pencils..
so 7 packs each containing 12 pencils ...
7(12) = 84 total pencils <===
-1/9+-5/9=
When you are adding a negative number, the operation turns into subtraction:
-1/9-5/9=

Really, it's just subtraction. The simplest form is -2/3, which is equal to -0.66667.
I hope this helps :)
Answer:
There are no coefficients.
Step-by-step explanation:
Answer:
f(5) = 14
Step-by-step explanation:
Just replace the variable "x" with "5":
f(5) = 2×5 + 4 = 14