Step-by-step explanation:
The required sum
=(1+2+3+...+199)−(3+6+9+...+198)−(5+10+15+...+195)+(15+30+45+...+195)
=2199(1+199)−266(3+198)−239(5+195)+213(15+195)
=199×100−33×201−39×100+13×105=10732
Answer:
1/2
Step-by-step explanation:
Remaining fraction will be (1-3/8)=5/8
Given that in the second hour he delivered 4/5 of 5/8, then the fraction delivered in the second hour will be:
4/5 of 5/8
=4/5×5/8
=1/2
He delivered 1/2 (in fraction)
Answer:
Solution
x = 90
Step-by-step explanation:
Combine multiplied terms into a single fraction
4
9
+
1
5
⋅
=
5
8
\frac{4}{9}x+\frac{1}{5} \cdot x=58
94x+51⋅x=58
4
9
+
1
5
⋅
=
5
8
\frac{4x}{9}+\frac{1}{5} \cdot x=58
94x+51⋅x=58
2
Combine multiplied terms into a single fraction
3
Multiply by 1
Step-by-step explanation:
You can prove it by pythegoras use unit and you will get
Ef=gh
And FG=EH