ladydahvie1998 ladydahvie1998
  • 22-12-2014
  • Mathematics
contestada

130% of the sum of 7 and a number n is equal to 91.

Respuesta :

naǫ
naǫ naǫ
  • 22-12-2014
[tex]130\%(7+n)=91 \\ 1.3(7+n)=91 \\ 7+n=\frac{91}{1.3} \\ 7+n=70 \\ n=70-7 \\ n=63[/tex]
Answer Link
konrad509
konrad509 konrad509
  • 22-12-2014
[tex]1.3(7+n)=91|:1.3\\7+n=70|-7\\ n=63[/tex]
Answer Link

Otras preguntas

The volume of a cone is 20 cm3. What is the volume of a cylinder with the same base and height as the cone? Enter the value only, no label. *
can someone please help me with these 2 :)
How many solutions does this system of equations have? y=-3x+4, y=-3x+9 1 point
PLEASE HELP GUYS ASAP
Which of the following are equivalent to
Find all solutions to the equation in radians rounded to two decimal places * 0 = -1 + sin(-4theta)
5. Jula just finished a spelling test and things that she got most of the words night. She guesadon 10 out of the 100 words If she gets half of these that she g
I need someone to talk to plzz
You must prepare a return on investment analysis for the regional manager of Fast & Great Burgers. This growing chain is trying to decide which outlet of tw
the area of the square, the A cone fits inside a square pyramid as shown. For every cross section, the ratio of the area of the circle to the area of the square