Answer:
-7.5
Step-by-step explanation:
I used a calculator
Answer:
convert 2/5 to a decimal, which is 0.4
multiplying a value by 10 means you should move the decimal point one unit to the right
so 10 x 2/5 = 4
Step-by-step explanation:
Answer
20
Step-by-step explanation:
Because if she uses only 40 instead of 50 she just subtracting 10.
(X-5)(2x+3) hope this helps