Hi! what specifically would you like explained? are you confused about what f(x+3) means or about how they arrived at the simplified form?
Answer:
Each hat is $5
Each mask is $3
Step-by-step explanation:
Hat= x dollars
Mask= y dollars
Now,
3 hats and 4 mask sold = $27
We can write
3x + 4y = 27
Adding the second equation (-1 times 1st equation) gives us;
3x + 6y = 33
-1* (3x + 4y = 27)
3x + 6y = 33
-3x -4y = 27
2y = 6
y = 6/2
***y = 3***
Now we replace y= 3 into 1st equation and solve for x:
3x + 4y = 27
3x + 4(3) = 27
3x + 12 = 27
3x + 15
x = 15/3
***x= 5***
Each hat costs $5
Each mask costs $3
319 miles
Because you gotta divide 232 by 4 which is 58
Sinc3 58 miles is traveled per hour now u have to find out half of an hour
58/2=29
Now add 58+29=87
Finally you add 87+ the number of miles originally travelled which is 232
232+87=319
319 is the total driven distance to 6:30
Answer:
it's ether d or a
Step-by-step explanation:
i hope this helps you!