Answer:
252 Cheese Bugers were sold on Thursday
Step-by-step explanation:
378 divided by 3=126
126+126= number of hamburgers
126= number of chese bugers
126+126=252
Okay, let's find out how much the tax was by finding out what 7% of $28 is, we do this by multiplying:

Convert 7% into a decimal, we do this by dividing it by 100 because percentages are parts of 100:

Multiply:

So this is the tax. Add it to the original price to get the total price:
Answer:
The answer will be 16
Step-by-step explanation:
If x is 3, then 3x will become 3 * 3 which will get you 9. And then 9 adds 7 and gets 16
Answer:
12x-8
Step-by-step explanation:
Added both equations and used PEMDAS to combine all equations
-0.25 is the answer if you subtract 3 from 1 it -2 and if you divide that its -.25