Answer:
pls stop deleting my answers brainly thx. also its b! ^-^
Step-by-step explanation:
Answer:
10 boys, 15 girls
Step-by-step explanation:
Original ratio: 2 boys/3 girls
let x be the scale factor of the ratio
2x plus 5 boys over 3x girls = 1 (because the # of boys/girls are the same)-------> 2x+5/3x = 1
Simplify: 2x+5=3x
Simplify: 5=x
plug x back into the original ratio: 10/15
Check: 10/15 = 2/3
10 boys + 5 boys = 15, 15/15 = 1
Answer:
The picture is a bit too blurry to understand, sorry.
Answer:
The size of a television screen is 
Step-by-step explanation:
Let
x-----> the length of the diagonal of the screen
we know that
Applying the Pythagoras Theorem

we have


substitute the values


