shanthos buys a bike and a television. The TV costs £130 more than the bike. The total cost is £420. How much does the TV cost?
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let the cost of the bike be x.
cost of the TV = X + 130.
–> X + X + 130 = 420
2X = 420 - 130
2X = 290
X = 145
so the cost of the TV = 145 + 130 = £275
cost of the TV = X + 130.
–> X + X + 130 = 420
2X = 420 - 130
2X = 290
X = 145
so the cost of the TV = 145 + 130 = £275
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