Neeraj and Hrithik went to a …

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Neeraj and Hrithik went to a nearby pizza shop for lunch. The shop had a unique method for the price allotment of pizza every day. The price of each pizza they prepare on a specific day is equal to 4 more than twice the total number of pizzas they produced on that day. The total cost of production on that day was 448 rupees. Answer the following questions: 1. The quadratic equation for given situation is: 2. Find the number of pizzas produced. Or Write the general form of quadratic equation. 3. Find the cost of each pizza.

Posted by Vaishnavi Mishra 1 year, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Himanshu Dhakad 1 year, 4 months ago

Let the number of pizzas produced on that day be X So price of each pizza(as per question) will be= (2x + 4) Rs Since it is given that total cost of production on that day is Rs.448 (Price of each pizza)*(number of pizzas produced) = 448 (2x + 4)*X = 448 2x² + 4x = 448 X² + 2x = 224 X² + 2x - 224 = 0 Now factorisation as.. (Multiply krne pr 224 or minus krne pe plus Ka 2 Toh 16-14=2 and 16*14= 224) X² + 16x - 14x - 224 = 0 X(X+16)-14(X+16)=0 (X+16)(x-14)=0 So X= 14 and X=-16 Since number of pizzas produced on that day cannot be nigative therefore number of pizzas produced are 14

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