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Question Number 21754 by >>Umar << last updated on 03/Oct/17

Q. In 2014, country X had 783 miles of paved roads. Starting in          2015, the country has  been building  8  miles of new paved        roads each year. At this rate,  how  many miles of paved roads        will country X have in 2030?

$$\mathrm{Q}.\:\mathrm{In}\:\mathrm{2014},\:\mathrm{country}\:\mathrm{X}\:\mathrm{had}\:\mathrm{783}\:\mathrm{miles}\:\mathrm{of}\:\mathrm{paved}\:\mathrm{roads}.\:\mathrm{Starting}\:\mathrm{in}\: \\ $$$$\:\:\:\:\:\:\:\mathrm{2015},\:\mathrm{the}\:\mathrm{country}\:\mathrm{has}\:\:\mathrm{been}\:\mathrm{building}\:\:\mathrm{8}\:\:\mathrm{miles}\:\mathrm{of}\:\mathrm{new}\:\mathrm{paved} \\ $$$$\:\:\:\:\:\:\mathrm{roads}\:\mathrm{each}\:\mathrm{year}.\:\mathrm{At}\:\mathrm{this}\:\mathrm{rate},\:\:\mathrm{how}\:\:\mathrm{many}\:\mathrm{miles}\:\mathrm{of}\:\mathrm{paved}\:\mathrm{roads} \\ $$$$\:\:\:\:\:\:\mathrm{will}\:\mathrm{country}\:\mathrm{X}\:\mathrm{have}\:\mathrm{in}\:\mathrm{2030}? \\ $$

Answered by mrW1 last updated on 03/Oct/17

783+(2030−2014)×8  =783+16×8  =783+128  =911 miles

$$\mathrm{783}+\left(\mathrm{2030}−\mathrm{2014}\right)×\mathrm{8} \\ $$$$=\mathrm{783}+\mathrm{16}×\mathrm{8} \\ $$$$=\mathrm{783}+\mathrm{128} \\ $$$$=\mathrm{911}\:\mathrm{miles} \\ $$

Commented by >>Umar << last updated on 03/Oct/17

thanks.

$$\mathrm{thanks}. \\ $$

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