giulianarovetti giulianarovetti

20-05-2020
Mathematics

contestada

The cost for 4 lunches and six dinners is $122 the cost of five lunches and eight dinners is $160 find the cost of one lunch

Respuesta :

jantoine1 jantoine1

20-05-2020

Answer:

80

Step-by-step explanation:

Answer Link

kayleealmonte225 kayleealmonte225

20-05-2020

Answer:

Lunch costs $8

Step-by-step explanation:

4l + 6d = 122

5l + 8d = 160

Multiply the first equation by 4 and the second by -3:

16l + 24d = 488

-15l - 24d = -480

-------------------------

l = 8

Lunch costs $8

Answer Link

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