Question

Hint fish naturally live close to each other. a pet store is selling bags of goby fish and shrimp to aquarium hobbyists. each goby costs $15, and each shrimp costs $10. each bag has an equal number of goby fish and shrimp. the pet store models the cost per bag with the expression x(15+10). explain what the expression does

Answer 1

According to the question each Goby fish costs $ 15 and cost of each Shrimp is $10. the pet store models the cost per bag with the expression x(15+10), may be here X denotes the number of each type of fishes.

Answer 2

Given:

Cost of one goby fish = $15

Cost of one shrimp = $10

Each bag has the same number of goby fish and shrimp

Expression = x (15 + 10)

To Find:

Explain the expression

Solution:

Each bag has the same number of goby fish and shrimp

⇒ If there is one fish, there must be one shrimp

⇒ A bag consist of 1 fish and 1 shrimp

⇒ A cost cost $(15 + 10)

Define x:

Let x be the number of bags a customer would want to buy

Expression:

Assumed a customer buys x number of bags

Total cost = x(15 + 10)

Answer: x(15 + 10) is the total cost that a customer paid for x number of bags.