We want to cut exactly 160 meter of wire from a huge spool. instead of measuring length we measure mass. three meters of wire weigh 75 grams. Expressy in terms ofx if x meters of wire weigh y grams

Expressing y in terms of x is as follows:

y = 25x

They wanted to cut exactly 160 meters of wire from a huge spool. They mistakenly measured mass instead of the length.

x = length of wire in meters

y = weight of wire in grams

Therefore, using proportion

Proportional relationship express values in ratios .Therefore,

3 meters wire = 75 grams of wire

x meters = y grams

cross multiply

75x = 3y

let's express y in terms of x as required

Therefore,

divide both sides by 3

y = 75x / 3

y = 25x

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