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nadezda [96]
3 years ago
8

The value of y is directly proportional to the value of x. If y = 180 when x = 50, the value of y when x = 25?​

Mathematics
2 answers:
Triss [41]3 years ago
8 0

Answer: y = 90

Step-by-step explanation:

Since x and y are proportional, when x =25 (which is 50 divided by 2), y would be 90 since 90 is 180 divided by 2.

cluponka [151]3 years ago
4 0

\LARGE{ \underline{ \red{ \rm{Required \: answer:}}}}

When two numbers or quantities are Directly proportional to each other, their ratio is constant or we can write is as:

\boxed{ \rm{ \frac{x}{y}  = constant}} \implies \boxed{ \rm{ \frac{x1}{y1}  =  \frac{x2}{y2} }}

GiveN:

  • When x = 50, y = 180

To FinD:

  • Value of y when x = 25.....?

Step-wise-Step Explanation:

According to the relation between two numbers which are directly proportional to each other:

⇒ x1 / y1 = x2 / y2

Plugging the given values:

⇒ 50 / 180 = 25 / y2

Cross multiplying,

⇒ y2 = 180 × 25 / 50

⇒ y2 = 90

Thus, value of y when x = 25 is <u>9</u><u>0</u><u>.</u>

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