Huixian needs to pack 171 pens 63 pencils and 27 erasers into identical gift bags so that each items is equally distributed among gift bags find the number of each items in gift bag

All three of these numbers share one number in common. Nine. Each of these numbers can equally be divided by 9.

9 x 3 = 27

9 x 7 = 63

9 x 19 = 171

If there were 9 gift bags made, there would be 3 erasers, 7 pencils, and 19 pens in each bag.

x = 20

Step-by-step explanation:

This is a right triangle and we know 2 of the points so we can use the Pythagorean Theorem to solve.  The formula for the Pythagoreom Theroem is a^2 + b^2 = c^2. Side a is 15 and Side b is x. Side c or the hypotenuse is 25. Let's solve for side b:

a^2 + b^2 = c^2

15^2 + b^2 = 25^2

225 + b^2 = 625

Subtract 225 from both sides to get b^2 alone.

b^2 = 625 - 225

b^2 = 400

Find the square root of both sides.

b = 20 or x =  20

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