Answer:
His profit is 105 rs
Step-by-step explanation:
if he bought 7 books for 525 RS,that means 1 book costs 75 rs
if he sold 4 books for 360 RS,that means 1 boo costs 90 RS
90×7=630.
630-525=105
For this case we must raise an inequality.
We have "d" dollars initially and they are spent 12. Then:
At least 51 dollars remain, then, the sign of inequality is greater or equal in favor of the expression, that is:
Resolving:
There are at least 63 dollars left in the account.
Answer:
I believe it is b and hmu?
Answer:
12
Step-by-step explanation:
If i could see the paper i prob. could help cause i am really good in scienc and biology