Speed of truck B: 56 * 15/ 14 = 60.
The sum of the speeds of Party A and Party B: 56+60 = 1 16.
Distance:116 * 5 = 580km.
The two stations are 580 kilometers apart.
There are 44 students in class 6/kloc-0, of whom 2/3 are boys and 4/5 are girls. How many boys and girls are there in class 6/kloc-0?
2/3*3/2= 1
4/5*3/2=6/5
1+6/5= 1 1/5
44÷ 1 1/5=44*5/ 1 1=20
44-20=24
There are 24 boys and 20 girls in class 6/kloc-0.
13 (x+5) *13 =169 (find x)
13(X+5)* 13 = 169
169*(X+5)= 169
X+5= 1
X=-4