Answer:

Step-by-step explanation:





We have,

Introduce variable
such that 
The sum
is therefore 
So,
(sadia's age)
(father's age)
Hope this helps :)
Answer:
they will blink 4 times at the same time in one minute
Step-by-step explanation:
you have to find the least common multiple of 5 and 3
LCM of 5,3 = 15
So, the two lights will blink together every 15 seconds.
No.of times blinking together in one minute = 60/15 = 4
Answer:
136.71% increase
Step-by-step explanation:
To find the raw increase in dollars of the shoe: 130.19 - 55 =75.19
Now, to find what percent $75.19 is of the original production cost, $55,
(75.19/55) * 100 = 136.71
link: https://brainly.in/question/12369647
Answer:
the first one
Step-by-step explanation:
its this one because cest logique