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פּוֹפּוּלָרִי Word Problems >

Gas prices declined by 5 cents over the past week. if this represents a 5.1% decrease, what is the current price of gas?

פתרון

G a s p r i ces d ec l in e d b y 5 ce n t s o v er t h e p a s t w ee k . i f t hi s re p rese n t s a 5.1% d ecre a se, w ha t i s t h e c u rre n t p r i ce o f g a s ?

פתרון

Amount after reduction : 4.745

צעדי פתרון

Translate the problem into an equation:

x = 5 - 0.051 \cdot 5

x = 5 - 0.051 \cdot 5 : x = 4.745

Amount after reduction : 4.745

דוגמאות פופולריות

Find the radius of a circle with an area of 12 Annie has 9,000 in an account that earns 5% interest compounded annually.To the nearest cent, how much interest will she earn in 2 years?Find two consecutive even integers such that three times the smaller number is 12 less than twice the larger number.five more than twice a number is 25 Dylan invested 47,000 in an account paying an interest rate of 4% compounded annually. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 79,200?