Farhan purchased four pizzas and three donuts for 1670, Hamid purchases six pizzas and two donuts for 2280. The cost of one pizza will be ______?
Answer: Rs. 350
Explanation
Let's denote the cost of one pizza as P and the cost of one donut as D.
From Farhan's purchase:
4P + 3D = 1670 ... (1)
From Hamid's purchase:
6P + 2D = 2280 ... (2)
We can multiply equation (1) by 2 and equation (2) by 3 to make the coefficients of D equal:
8P + 6D = 3340 ... (3)
18P + 6D = 6840 ... (4)
Now, subtract equation (3) from equation (4):
10P = 3500
P = 350
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