Answer:
£70.00
Step-by-step explanation:
You basically want to find what she spent in total, then subtract the amount she spent on ingredients.
50 glasses of lemonade at £2.10 each would be £105. (50*2.1)
Subtract the cost of ingredients, which is £35, with the total she made, £105, to get £70 (105-35)
B
I need 20 characters lol
F(x)=2x-10
y=2x-10
x=2y-10
x+10=2y-10+10 (add both sides by 10)
2y=x+10
2y/2=x+10/2 (divide both sides by 2)
y=1/2x+5
Final Answer: f^-1(x)=1/2x+5
Answer:
yes
The price of marked up candy is $6.00
perentage of mark up is 300%
let the marked up amount be represented as x
let 300% mark up be represented as 3x
the equatiopn for finding the price before markup
can be represented as 3x-x=$6.
2x=$6
x=$3.
