Yes, y = 7x-4 is a linear function because the slope is constant and it follows the y= mx + b format of linear equations. Hope this helps! :)
Answer:
<u>35 coins are "other" coins</u>
Step-by-step explanation:
72% of 125 coins were foreign. That means 28% of the coins are not foreign ("other coins").
28% 0f 125 = 0.28*125 = 35 coins were "other" coins
$300 - $140 = $160
Now we do $160 divided by $40
That means she bought 4 dresses for $40 dollars each
The grandson is 9 years old.
This would mean that the grandpa is 54.
9x6=54
54/6=9
