Please help If 100% = Rs. 120, then

A. 120% = Rs. 84
B. 20% = Rs. 84
C. 70% = Rs. 84
D. 30% = Rs. 84

Question

Mathematics: Please help If 100% = Rs. 120, then A. 120% = Rs. 84 B. 20% = Rs. 84 C. 70% = Rs. 84 D. 30% = Rs. 84​

smiley0326 · Accepted Answer

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Hi my lil bunny!

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A) Let's solve for x. -3x-7y=-66

Step 1: Add 7y to both sides.

$-3x - 7y + 7y = -66 + 7y \\-3x = 7y - 66$

Step 2: Divide both sides by -3.

$\frac{-3x }{-3} = \frac{7y - 66}{-3}$

$x = \frac{-7}{3}y + 22$

Answer : $\frac{-7}{3}y + 22$

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B) Let's solve for x. -10x-7y=-24

Step 1: Add 7y to both sides.

$-10x - 7y + 7y = -24 + 7y \\-10x = 7y - 24$

Step 2: Divide both sides by -10.

$\frac{-10x}{-10} = \frac{7y - 24}{-10}$

$x = \frac{-7}{10}y + \frac{12}{5}$

Answer : $\frac{-7}{10}y + \frac{12}{5}$

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If this helped you, could you maybe give brainliest..?

❀*May*❀

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