izabellamazzarella21 izabellamazzarella21

26-02-2021
Mathematics

contestada

2 diamond rings and 4 silver rings cost $1300. A diamond ring and a silver ring cost $510. How much is a diamond ring?

Respuesta :

bballerzlife bballerzlife

26-02-2021

Answer:

370

Step-by-step explanation:

510 times 2 is 1020 - cost for 2 diamond and 2 silver

1300-1020 is 280 - cost for remaining 2 silver

280 divided by 2 = 140 - cost for each silver

510-140 is cost for 1 dimond = 370

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