2 years ago

Answer and explain I’ll mark brainliest please help!!!!!

Mathematics

1 answer:

Papessa [141]2 years ago

8 0

Answer:

230 were sold at the door

170 were sold in advance

Step-by-step explanation:

x=at door y=in advance

x+y=400

3x+2y=1030

y=-x+400

2y=-3x+1030

y=-3/2x+515

-x+400=-3/2x+515

x=230 y=170

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3 years ago

I’m completely lost can anybody help solve this

Marizza181 [45]

Answer:

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Step-by-step explanation:

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3 years ago

A boat traveled 336 miles downstream and back. The trip downstream took 12 hours. The trip upstream took 14 hours. What is the s

Alexeev081 [22]

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3 0

3 years ago

There are 50 pennies in a roll. If you have 130 rolls of pennies, how many pennies do you have?

riadik2000 [5.3K]

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2 years ago

Data were collected on random specimens of Yellowfin tuna from 1991 and 2010. For the sample of 231 specimens of Yellowfin tuna,

Molodets [167]

Answer:

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Step-by-step explanation:

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6 0

2 years ago