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An animal shelter spends $1.50 per day to care for each cat and $6.50 per day to carefor each dog. Gavin noticed that the shelter spent $97.00 caring for cats and dogs onMonday. Gavin found a record showing that there were a total of 18 cats and dogs onMonday. How many cats were at the shelter on Monday?

Respuesta :

4 cats and 14 dogs.

Explanation:

Data :

Amount of cats : c = ?

Cost per cats : $1.50

Amount of dogs : d = ?

Cost per dogs : $6.50

Total spent for dogs and cats : $97.00

Total number of dogs and cats : 18

Formulas:

1.50c + 6.50d = 97.00

c + d = 18

Solution:

c + d = 18 => c = 18 - d

1.50(18 -d) + 6.50d = 97.00

27 - 1.50d + 6.50d = 97.00

27 - 1.50d + 6.50d - 27 = 97 -

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