ythanks
ythanks
21-06-2018
Mathematics
contestada
how many points does each boy score on average
Respuesta :
ydhakal77pba0pg
ydhakal77pba0pg
03-07-2018
let b be the number of boys in the class then,
the number of girls is 3b and total number ia 4b.
let p be the avg score by the boys.
then,
(3b x 18 + b x p) /4b = 17
(54+p)/4 = 17
54 + p = 68
p= 14
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
Answer that question by writing a short argument. In your argument, examine what Roosevelt's central idea is and whether the structure of the passage helps conv
box contains 12 transistors, 3 of which are defective. If 3 are selected at random, find the probability of the statements below.
If the triangle on the grid below is translated three units left and nine units down, what are the coordinates of C"?
If give 7 billions for 7 millions people. What is total?
The hypotenuse of a right triangle is two more than the length of one of its legs. Find the side lengths of the right triangle given the perimeter= 60 and it's
The benefit the goverment receives from tax can be measured by
A spherical ball has a radius of 4 inches. What is the volume of this sphere, to the nearest cubic inch.
What is development?
Let A^=6i^+4j^_2k^ and B= 2i^_2j^+3k^. find the sum and difference of A and B
Can you answer me this question please? I have doubts. Thank you
