Help please with this math
2 answers:
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Answer:
12
Step-by-step explanation:
Because this is a 45 angle triangle we can assume the other side is also a 45 angle. Which means that CD=AD.
a) students that travel to school by car = 14
students that do not travel to school by car = 11
total number of students = 14 + 11 = 25
percentage of students that do not travel by car =
b) 3 since we've 4 such cars in which 2 students travel , which gives us 8 students. then we've 1 car in which 3 students travel . adding them up , we get 8 + 3 = 11 students.
we've to find the number of cars that carry just 1 student.
this can be found by ,
14 - 11 = 3 cars
<h2>—————————————</h2>c)
hope helpful ~
Answer:
If 5 red shirts are added into the box, 7 : 8 is the new ratio.
Step-by-step explanation:
The number of red shirts = 16
Let the number of black shirts = k
Now as the ratio of Red Shirts : Black Shirt = 2 : 3
By RATIO OF PROPORTIONALITY:
⇒
or,
Hence, the number of Black Shirts in the Store = 24
Now, new number pf red shirts = 16 + 5 = 21
So, by the proportionality again, ratio is
Hence, the new ratio of Red shirts : Black Shirts = 7 : 8