If the proportion of iris to roses in Nikki's garden is 2: 5, it means that for 25 roses: (2/5) = (10/25). Therefore to maintain the proportion by adding 20 roses: (2/5) = (18/45). The number of irises after the addition of roses will be 10 + 18 = 28 irises.
2.5h - 15 = 4h. -15 = 1.5h. -10 = h. Your answer is h = -10
Answer:
Step-by-step explanation:
When grades are expressed as a quantity of 1, such as two feet per second or 5 miles per hour, they are called unit rates.