you don't show the options but it should look something like this:
195 +15d = 360
answer:
subtract 195 from each side
15d = 165
d = 165/15 =11
he needs to walk 11 dogs
The equation which can be used to find the number of dogs d that frank needs to walk to cover his expenses is 15d+195=360 and number of dogs is 11.
Unknown variables are used to find the unknown values of the problem using the algebraic expressions.
To find the values of unknown quantity, the statements of a problem is converted in the algebraic equation form using the variable in place of unknown numbers.
Frank needs a total of $360 to cover his expenses of the week. He earns $195 a week working at a restaurant and also walks dogs to supplement his income, frank charges $15 per dog that he walks.
The equation, which can be used to find the number of dogs d that frank needs to walk to cover his expenses,
[tex]15d+195=360[/tex]
Solve it further to find the number of dogs d,
[tex]15d+195=360\\15d=360-195\\d=\dfrac{165}{15}\\d=11[/tex]
Thus, the equation which can be used to find the number of dogs d that frank needs to walk to cover his expenses is 15d+195=360 and the number of dogs is 11.
Learn more about the unknown variable here;
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