# math

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?

1. 0
2. 0
3. 15
1. 5 x + 3 y = 3213
y = 4 x

5 x + 12 x = 3213

17 x = 3213

x = 189 for digital
4 x = 756 for video
sum = 945

1. 0
2. 0
posted by Damon

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