zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

Eve's aunt is 7 years older than twice Eve's age. The sum of Eve's age and her aunt's age is 52 How old is Eve? How old is Eve's aunt? (4 points)

解答

E v e^{'} s a u n t i s 7 ye a rs o l d er t han tw i ce E v e^{'} s a g e . T h e s u m o f E v e^{'} s a g e an d h er a u n t^{'} s a g e i s 52 Ho w o l d i s E v e ? Ho w o l d i s E v e^{'} s a u n t ? (4 p o in t s)

解答

Eve^{'} s age is : 15

Aunt^{'} s age is : 37

求解步骤

Translate the problem into an equation:

52 - x - 7 = 2 x

求解

x, 52 - x - 7 = 2 x : x = 15

找到 age

Eve^{'} s age is : 15

Aunt^{'} s age is : 37

流行的例子

a pair of dice is rolled. What is the probability of rolling a 10 or 11?sixteen times two plus a number equals seven Caden puts 3,319.00 into an account to use for school expenses. The account earns 4.98% interest, compounded monthly. How much will be in the account after 8 years?2 years ago, Ian won some money in the lottery and put it in a bank account that earns 4% interest compounded annually. If Ian currently has 200.00 in the bank account, how much interest has he earned?7 more than the 差集 of 14 and a number is 30 minus 16