Claire is 18 years old and her mother is 40 years old.
Answer:
-64
Step-by-step explanation:
Answer:
m=11/14
Step-by-step explanation:
Answer:
here your answer
Step-by-step explanation:
let cp of one pen be x
cp of 5 pen = 5x
cp of 5 pen = sp of 4 pen
5x = sp of 4 pen
4x = cp of 4 pen ( cp of 1 pen = x)
profit = 5x-4x
= x
profit % = profit / cp ×100 = x/4x × 100
= 25 %
7y-6=4y+11
Collect like terms
7y-4y=11+6
3y=17
y=17/3