MR CHEN WANTS TO BUY 27 BLUE PENS AND 35 RED PENS. THE PENS ARE SOLD IN PACKAGES OF 8.HOW MANY PACKAGES OF BLUE PENS MUST HE BUY WRITE AN EQUATION USING THE LETTER B FOR THE UNKNOWN AMOUNT. THEN SOLVE THE EQUATION.

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How many of each color are in a package?

Eight

To solve this problem, we need to find out how many packages of blue pens Mr. Chen needs to buy.

Let's break down the problem into steps:

1. Determine the total number of blue pens Mr. Chen wants to buy: 27 blue pens.
2. Find out how many packages of blue pens are needed to reach this quantity: the pens are sold in packages of 8.
3. Use the letter 'B' to represent the unknown amount of packages of blue pens Mr. Chen needs to buy.
4. Write an equation to represent this situation using the information given: B * 8 = 27.
- The number of packages of blue pens (B) multiplied by 8 (since each package contains 8 pens) should equal 27 (the total number of blue pens needed).
5. Solve the equation to find the value of B:
- Divide both sides of the equation by 8: B = 27/8.
- Performing the division gives us B ≈ 3.375.
6. Since we cannot buy a fraction of a package, we need to round up the value of B to the nearest whole number.
- Rounding up 3.375 gives us B = 4.

Therefore, Mr. Chen must buy 4 packages of blue pens.