Answer:
n=9
Step-by-step explanation:
because 3 times 9 =27 plus 17 =44
Answer:
4/1
Step-by-step explanation:
i believe thats right since 4/1 is a fraction and it can be simplified to 4
Hopefully I’m correct but I think it is 7% because 50 -43 equals 7%
Answer:
1/25
The fraction for 25 would be 25/1 so the recripocal of 25/1 would be 1/25. The reciprocal is the numerator and denominator switched.
she should add 7 liters of 10% acid solution
Explanation
Step 1
set the equation:
a) let X represents the amount os solution that is 4% acid
let Y represents the amount os solution that is 10% acid
so
I)

if he has 14 liters of 4% acid solution


Step 2
solve the equation :

therefore,
she should add 7 liters of 10% acid solution
I hope this helps you