Answer:
The correct answer is D) 4/5 and 40/50
Step-by-step explanation:
In order to find this, do the division and find the decimal answer. When they match, they are equivalent.
4/5 = .8
40/50 = .8
Answer:
1000 millimeters
Step-by-step explanation:
Its the shortest one
Let one number be x.
The other number is x-6
Product of the number is 55
x(x-6) = 55
x² - 6x - 55 = 0
<span> (x + 5)(x - 11) = 0
</span>x = -5 or x = 11
x = -5
x - 6 = -11
x = 11
x - 6 = 5
Answer: The two numbers are either -5 and -11 or 5 and 11.
Answer:
Cost price = 200
Profit = 230-200 = 30
Step-by-step explanation:
x + 15/100x = 230
x + 3/20x = 230
20x + 3x = 4600
23x = 4600
x = 200
Regrouping is only done into lower place values. For example, tens to ones and hundreds to tens.