Answer:
No
Step-by-step explanation:
2x+5.2 + 3x+ 1.2 +2x+6.2= 180
7x+ 12.6=180
7x 12.6 - 12.6=180 -12.6
7x = 167.4
x = 23.914
should equal 60
Let x is Jiri's age
2x is Pamela's age
x + 2x = 33
3x =33
x = 33/3
x =11
Answer: Jiri's age is 11
Answer:
yes it's true because 3 groups of 8 is 24
Answer:
-19/132
Step-by-step explanation:
To add fractions, find the lowest common multiple of the two denominators and multiply accordingly to make both denominators the same. In this case, the lowest common multiple of 11 and 12 is 132, so we need to multiply the first number by 12 and the second by 11. So we get = =