1 year ago

Citlali buys a pen for $1.50. She then bought 4 pieces of cardstock. Her

Mathematics

2 answers:

Marizza181 [45]1 year ago

7 0

3.70-1.50=2.20
2.20 divided by 4 =.55

Answer = $0.55 per piece of cardstock

Nuetrik [128]1 year ago

7 0

Answer: 55 cents

Step-by-step explanation:

3.70-1.50 is 2.20

2.20÷4 because she bought 4 cardstocks is 0.55 cents

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Which value of x makes the equation 2/3x-3=11 true?

harkovskaia [24]

Answer:

x = 21

Step-by-step explanation:

To see for what value of x is the equation true, we have to solve x.

$\displaystyle \frac{2}{3} x - 3 = 11\\\\Adding \ 3 \ to \ both \ sides\\\\\frac{2x}{3} = 11 + 3\\\\\frac{2x}{3} = 14\\\\Multiply \ 3 \ to \ both \ sides\\\\2x = 14 \times 3\\\\2x = 42 \\\\Divide\ both\ sides\ by\ 2\\\\x = 42/2\\\\x = 21\\\\For \ x = 21\ the \ given \ equation \ is \ true.\\\\\rule[225]{225}{2}$