Answer:
-43
Step-by-step explanation:
(-7) - 6(6)= -43
here, 7 cellphone,9 Tv, 12airconditioners = 8723
5 cellphone,7 Tv, 12airconditioners = 6523
or, 7,9,12=8723
-5,7,9=6523
______________
2,2,3=2191
then,
to make 4 cellphone , 4 tv set , 6 air conditioners add twice the answer ,
2,2,3=2191
+2,2,3=2191
____________
4,4,6=4382
hence,
the price of 4 cellphone , 4 tv set and 6 air conditioners is 4382 #
solved by
<h3> pratik</h3>
An equivalent ratio would be 7:10 or 70:100 or 42:60 and so on...
Hi there!
There are multiple solutions to your question. Some possible solutions could be the following:
(0, -5)
(1, 0)
(2, 5)
A.
let the number be n.
2n+5=45
2n=40
n=20