Nelly654 Nelly654

26-05-2014
Mathematics

contestada

The sum of four consecutive multiples of 5 is 230. What is the greatest of these numbers ?

Respuesta :

kate200468 kate200468

26-05-2014

[tex]5n+5(n+1)+5(n+2)+5(n+3)=230\\\\5n+5n+5+5n+10+5n+15=230\\\\20n+30=230\\\\20n=200\ /:20\\\\n=10\ \ \ \Rightarrow\ \ \ 5(n+3)=5\cdot(10+3)=5\cdot13=65\\\\Ans.\ the\ greatest \ is\ 65.[/tex]

Answer Link

Otras preguntas

Donnie is solving the equation 2x2 = 27 + 3x with the quadratic formula.What values should he use for a, b, and c

how much interest will be paid in 2 years for a loan of $1500 at 8.25% simple interest ?

Three single-digit numbers multiply to make 504 Write the missing numbers

Can you help me with the first two questions?

what is 2x+8y=12 in slope intercept form as well as x-2y=0 in slope intercept form

who what when where why treaty of versailles

what is the square root of 235

If 3(4x+8)=12, then x=

Solve with completing the square method:6x²-7x+2=0 and ax²+bx+c=0

the original price of a watch was $109.it was on sale for 100.28.what was the discount rate