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. 
 ;

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)

Related Questions in Mathematics

📝 Answered - 6. Find 4 arithmetic means between 5 and 20. (a) Write the formula to calculate arithmetic mean between a and b. (b) What is the 4th mean of the given sequence? Find it. (c) Show that the second middle number is 11.

📝 Answered - Hugo invests $10,000 with a bank at 0.2% interest. To the nearest dollar, how much money will be in the account after three years if the money is compounded quarterly?

📝 Answered - Find the amount (in $) of interest on the loan. | Principal | Rate (%) | Time | Interest | | :-------- | :------- | :------- | :------- | | $90,000 | 7 \frac{3}{4} | 6 months | $ \square |

📝 Answered - Find the limit, if it exists. (If an answer does not exist, enter DNE.) [tex]$\lim _{x \rightarrow \infty} \frac{\sqrt{x^2-3}}{2 x-5}$[/tex]