Question

if the cost of a toy car is given to be rupees 3y²-5y+4 and the number of toy cars bought in 2y²+y+7 find the total cost​

Answer 1

Answer:

$3y {}^{2} - 5y + 4 + 2y {}^{2} + y + 7 \\ 3y {}^{2} + 2y {}^{2} - 5y + y + 4 + 7 \\ 5y {}^{2} - 4y + 11$

Here is your answer......

Answer 2

Answer:

cost of a toy is 3y^2-5y+4

no. of toys = 2y^2+y+7

total cost =no. of toys ×cost of a toy