John says that he has two books less then Gaytri has write the relationship using letter x.

Rekha has 3 books more than twice the books with suresh. Write the relationship using letter y.

Jyothi has 5 books more than double the books Sruthi has. Write the relationship using ‘y’.

Irfan says that he has 7 marbles more than five times the marbles Parmit has Irfan has 37 marbles. How many marbles does Parmit have?

A lending library has fixed charge for the first three days and an additional charges for each day thereafter. John paid 27 for a book kept for seven days. If the fixed charges be x and subsequent per day charges be y, then write the linear equation representing the above information and draw the graph of the same. From the graph, find fixed charges for the first three if additional charges for each day thereafter is 4. Find additional charges for each day thereafter if the fixed charges for the first three days of 7.

Yadaiah for his family needs borrowed Rs 5120 at 12(1)/(2)% per annum compounded annually. How much amount he has to pay to clear the debt at the end of two year nine months? Also find total how much interest he has paid?

Yadalah for his family needs borrowed ₹5120 at 12% per annum compounded annually. How much amount he has to pay to clear the debt at the end of two year nine months? Also find total how much Interest he has paid?