Step-by-step explanation:
10 is the value of A ......
Answer:
System
Step-by-step explanation:
Answer:
x=21
Step-by-step explanation:
69+90= 159
180-159=21
To find how long it would take him, one has to divide 400 by 160 and then multiply 5 by what that number is. You multiply 5 by the quotient because that is the number that would make it proportional. 400/160 x 5 is 12.5, meaning that the answer is 12.5 minutes, or A.