Step-by-step explanation:
start by setting each equation to each other

first we are going to subtract 2x from both side of the equation

now subtract 1 from both sides

now divide by -3 on both sides
Turn 45% into a decimal. You get 0.45, because you move the decimal two places to the left.
Then multiply 300*0.45
You get 135
135 Shoppers in the supermarket bought milk.
Answer: 4.25 pound of meat
Step-by-step explanation:
This is a addition questions, all you have to do is to add the numbers together. But you have to convert all the fractions and decimal to the same thing first. In this case, I'll convert all the fraction to decimal.
2.42 + 0.75 + 0.36 ✕ 3 = 4.25 pound
Ok so you do 900 ÷ 10 which = 90 and 90 x 10 = 900 so the answer is 90