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인기 있는 Word Problems >

21.Pamela is 14 years younger than Jiri. The sum of their ages is 30. What is Jiri

해법

21. P am e l a i s 14 ye a rs yo u n g er t han J i r i . T h e s u m o f t h e i r a g es i s 30. Wha t i s J i r i

해법

Pamela^{'} s age is : 8

Jiri^{'} s age is : 22

솔루션 단계

Translate the problem into an equation:

x + x + 14 = 30

x

해결 대상

, x + x + 14 = 30 : x = 8

age 찾다

Pamela^{'} s age is : 8

Jiri^{'} s age is : 22

인기 있는 예

Evangeline is 34 years older than her daughter Francesca. Three years from now, she will be thrice as old as her daughter. How old are they now?The 차이 of twice a number and 5 is greater than or equal to 17 an account is opened with an initial deposit of 6500 and earn 3.6% interest compounded weekly. what will the account be worth in 20 years?the 차이 between a number and 5 times the number is 8 In 2 years, Dirk wants to buy a bicycle that costs 1,000.00. If he opens a savings account that earns 8% interest compounded quarterly, how much will he have to deposit as principal to have enough money in 2 years to buy the bike?