Answer:
Grandfather age = 20 * 4 = 80
Step-by-step explanation:
Let Elena age be x
grandfather age is 4x
x + 4x = 100
5x = 100
x = 100/5 = 20 = Elena age
Answer:
237 feet
Step-by-step explanation:
take the circumference (5), square it, and multiply it by pi. Then add 40 for the distance of the two sides. Multiply your answer by two to find the distance for twice around
Answer:
5
Step-by-step explanation:
102 divide 18=5.6
L = 10 mw = 11 mh = 5 md = 15.6844 mS = 430 m²V = 550 m³ x 2 = 1100m³
Agenda:l = lengthw = widthh = heightd = diagonalS = surface area V = volume
Answer:
Area- 22.5
Step-by-step explanation:
To find the area in a triangle you will want to multiple the base with the height then divide it by two. in this photo you have two options 9X5/2 or 7.5X6/2
remember- a= 1/2 b X h
