B because you’re buying 3 tacos, so 3x, and if you add up the price of 2 cheese, 2 lettuce, and 1 sour cream you get 1.25 so it’s 3x+1.25
Answer:
288
Step-by-step explanation:
multiply 36 by 8 to find the number of records sold on Wednesday
Answer:
Step-by-step explanation:
Let's assign each person a variable using the first letter of his/her name.
Then we get the following equations based on the information given:
Then we can use substitution:
Rearrange the second equation:
Multiple the equation by 3:
Combine the equations to solve for a single variable (L):
Then we have a new equation:
Use substitution to get the rest: