Answer:
(a) Arts take longer
(b) By 2/9 hours
Step-by-step explanation:
Given
Arts = four over nine hours
Maths = two over nine hours
Solving (a): Which takes longer?
First, represent both as fraction


Convert fraction to decimal




By comparison:

Hence, Arts take longer
Solving (b): How much longer?
To do this, we calculate the difference.


Take L.C.M


Answer:
Im pretty sure its 7 but wait for someone else to awnser id.k if i did my math correctly or not lol
Step-by-step explanation:
Answer:
y=69
Step-by-step explanation:
first step:when y=26 and x=21
c=y-x
c=26-21
c=5
second step: when y is unknown and x=64
To find y we simply add the value of c to x
y=x+c
y=64+5
y=69
I think you wrote that incorrectly