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人気のある Word Problems >

Four years ago, Dennis was 3 times as old as his nephew, Richie.How old is Dennis now if the sum of their present ages is 64?

解

F o u r ye a rs a g o, De nni s w a s 3 t im es a s o l d a s hi s n e p h e w, R i c hi e . Ho w o l d i s De nni s n o w i f t h e s u m o f t h e i r p rese n t a g es i s 64 ?

解

Dennis^{'} s age is : 46

解答ステップ

Translate the problem into an equation:

x - 4 = 3 (64 - x - 4)

x

を解く

x - 4 = 3 (64 - x - 4) : x = 46

Dennis^{'} s age is : 46

人気の例

The sum of two consecutive odd numbers is 148. Find the numbers.Riley lives 3 km from the park. He jogs at a constant speed of 10 km per 60 minutes. How long does it take for Riley to get to the park the sum of 5 times a number and 3 is 58. Find the number If the sum of six consecutive odd integers is 120, what is the smallest of the six integers?one number is 3 more than four times another number. If the sum of the numbers is 53, find both numbers.