Answer:
A. x=6 B. x=4.5 C. x-35 D. x=13
Step-by-step explanation:
For A and B, divide the numbers you have. For C and D, multiply the numbers you have.
Answer:
There are 50 boys
Step-by-step explanation:
girls to boys - 2:4
so 25x2=50
Answer:
B
Step-by-step explanation:
Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment.
A 15% percent markup means that the typewriter cost was increased by 15%, or 0.15 by moving the decimal 2 places to the left. If the original price was x, and 15% of it is 0.15*x, we can add them up to get 1.15*x=129.95. Dividing both sides by 1.15, we get x=113 dollars
I'm thinking that its 4 because.....
you add 5x on each side, u put the 5 in the parenthesis and replace the x with 5 then you'll end up having f(5)=4. How's that?