Multiply both sides of second equation by 20 to get
Subtract that from first equation to get
Divide both sides by 0.7 to get
, so about $428.57 was spent in store. This leaves
that was spent online
Yes 9.1 is the same as 9.10. .10 is greater than .08
Answer:
To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.
Step-by-step explanation:
I assume it’s D but I’m not sure.
D because the lines match and all on how it mentions on the questions
Answer: x = 10°
(2x + 50) = 70°
(3x - 10) = 20°
Steps:
(2x + 50)° + (3x -10)° = 90°
2x + 50 + 3x - 10 = 90°
5x + 40 = 90°
5x = 50°
x = 10°
(2x + 50)
2(10) + 50
20 + 50
70
(3x - 10)
3(10) - 10
30 - 10
20
Check:
70 + 20 = 90
90 = 90 ✅
