Find the total amount and total interest after forty years if the interest is compounded every twenty years. Principal = ₹50{,}000=₹50,000equals, ₹, 50, comma, 000

Rate of interest = 0.5 \%=0.5%equals, 0, point, 5, percent per annum

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

If a || b and e || f , what if the value of y ?

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?