The length of a rectangle is
2
meters more than
2
times the width. if the area is
40
square meters, find the width and the length.

Step-by-step explanation:

From the problem statement, we can set up the following two equations:

Plugging the first equation into the second, we can solve for :

Since the length must be a positive number, then we know that . We can now plug this number into the second equation to get :

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

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step-by-step explanation: