Bought the same number of Guppies and only Hank bought 2 additional Platies. Thus, let’s subtract the total of Hank and Martha
=> 18.33 – 13. 95 = 4.38
Thus, Hank paid an additional of 4.34 for 2 platies. Let’s divide to get the price of platies
=> 4.34 / 2 = = 2.19 (price of platies each.)
Let’s solve for price of guppies
=> 13.95 – 4.34 = 9.61
=> 9.61 / 3 = 3.20 (Price of guppies each.)
5/4(20x+12) =-35
5/4•20x+5/4•12=-35
25x+15=-35
25x+15-15=-35-15
25x=-50
x=-2
Answer:
y = (1/2)x + 3
Step-by-step explanation:
The points are separated by 1 vertical unit for each 2 horizontal units, so the slope of the line through them is ...
slope = vertical change / horizontal change = 1/2
There is a point on the y-axis at y=3 where x=0, so we know the y-intercept of the line is 3. Then, in slope-intercept form, the equation of the line can be written ...
y = slope · x + y-intercept
y = (1/2)x + 3
