Question

rohan gave the pizza delivery person a tip of rs 30 which was 20 percent of his total bill for the pizza ordered how much did pizza cost him

Answer 1

let the cost of the pizza be x
30=20×x÷100
x=30×100÷20
x=150

Answer 2

Answer:

Rs.150

Step-by-step explanation:

let pizza cost=X

A.T.O

20%of X = Rs.30

$\frac{20}{100} \times x = 30 \\ x = 30 \times \frac{100}{20} \\ \\ x = \frac{30}{1} \times \frac{100}{20} = \frac{3}{1} \times \frac{100}{2} \\ x = 3 \times 50 \\ so \: that \: \\ x = rs.150$