The cost of 5 similar digital cameras and 3 similar video cameras is $3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

Question

januzo4819864 · Answer

x − cos t o f d i g i t a l c am er a y − cos t o f v i d eo c am er a 5 x + 3 y = 3213 y = 4 x 5 x + 3 ⋅ 4 x = 3213 17 x = 3213/ : 17 x = 189 y = 4 ⋅ 189 y = 756 189 + 756 = 945 Answer: John pays 945 for a digital camera with a video camera. 
 I hope I helped :D

marekmichalikexperim · Answer

945 ;

januzo4819864 · Answer

John pays $945 for one digital camera and one video camera, where each digital camera costs $189 and each video camera costs $756. The calculations are based on the total cost of 5 digital cameras and 3 video cameras being $3213, and video cameras costing 4 times as much as digital cameras. 
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The cost of 5 similar digital cameras and 3 similar video cameras is $3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

Answer (3)

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