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Phổ biến Word Problems >

in two years lisa will be twice as old as cheryl. if lisa is 6 years older than cheryl, how old is lisa now

Lời Giải

in tw o ye a rs l i s a w i ll b e tw i ce a s o l d a s c h ery l . i f l i s a i s 6 ye a rs o l d er t han c h ery l, h o w o l d i s l i s a n o w

Lời Giải

Lisa^{'} s age is : 10

Các bước giải pháp

Translate the problem into an equation:

x + 2 = 2 (x - 6 + 2)

Giải

x, x + 2 = 2 (x - 6 + 2) : x = 10

Lisa^{'} s age is : 10

Ví dụ phổ biến

the sum of two numbers is 60 and the smaller number is one third of the greatest number Suppose the radius of a circle is 8 units. What is its chu vi?Five-eighths of a number is 200. What is the number?April wants to borrow 600 from her father and is willing to pay 10 in interest. Her father wants to charge an interest rate of 4%. How long can April keep the money?9 years ago, Daniel won some money in the lottery and put it in a bank account that earns 14% interest compounded monthly. If Daniel currently has 700.00 in the bank account, how much interest has he earned?