Answer:
10 boys
Step-by-step explanation:
0.4x25= 10
Answer:
Volume of a cylinder is πr²h
Where
r is the radius
h is the height
Volume = 154cm³
radius = 3cm
height = ? cm
154 = π × 3² × h
154 = π × 9 × h
154 = 9πh
divide both sides by 9π
h = 154/9π
h = 5.4cm
Height is 5.4cm
Hope this helps
3. We want to solve using properties;
It simply involve trying to reduce numbers to their simpliest form to make multiplication and addition easy without using calculator.
like; 21=20+1, 39=40-1 etc.
4. Given;
It is 140
I hope this help you