Let w = washer and d = dryer:
w + d = $770,
but w = d + 70, replace w with d+70
(d+70) + d = 770
2d + 70 =770
2d = 770 -70 = 700
and d=$350, then w=350+70 = 420
Answer:
64
Step-by-step explanation:
16/100 = x / 400
Cross multiply:-
100x = 16*400
x = 6400 / 100
= 64
Answer:
is the answer your looking for
Step-by-step explanation:
Answer:
Step-by-step explanation:
you need to substitute.... then do: 160.4(mean)+2(x)*27(z)= 214.4lb
