Jim’s family is choosing whether to go to a restaurant for lunch or for dinner. the cost of a salad is $7 at lunch and $9 at dinner. the cost of a steak is $10 at lunch and $12 at dinner. each person will choose either a salad or a steak regardless of the mealtime. jim calculates the food bill to be $41 if they go during lunch and $51 if they go during dinner. how many people will choose a salad?

3 people will choose salad.

Step-by-step explanation:

Let the number of people choose salad be x and the number of people choose steak be y.

then according to the question we have the following system

Multiply equation (1) by 6 and equation(2)by 5 we get

Subtract (3) from (4), we get

Hence, the number of people choose salad =3.

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

b

step-by-step explanation: