3 5/8 ½ =
1Ύ divided by 2 =
Write as a ratio in simplest form
a) 24:40 (would it be 3:5)
b) 220 cm to 1 m
Leah and Rachael both drive the same car, and use it basically at the same rate.
If Leah drives for 8 hours at 60 km/h to visit her best friend, the trip costs $63 in fuel.
Rachael however drives to see her father but has to drive a further 256 km.
How much will the trip cost in fuel?
Three People contribute money to a raffle - $15, $20 and $25. If the winnings are distributed in same ratio as the contributions how much would each person get, if they won $270?
Simplify (expand and collect like terms)
a)4q + 12q 3
b)4 (3a + 1) + 2a
c)Subtract 3x 5 from 8x 18
a)3a + 15 ( is it: 3a + 15 = 3 x a + 3 x 5 = 3(a+5)
b)4 x xy + 3x2
a)2n + 3 = 17
b)3x 4/2 6 = 4
c)5(x 2) = 4 (x + 9)
But this particually, I cant get:
a) The adjacent sides of a rectangle are (3x 8) and 6 cm.
Given that the area of the rectangle is 96 cm^2, find the length of the rectangle and the value of x.
c)The Three sides of a triangle are 1/1 y + 2 and y = 4. The perimeter is 87 cm. What are the lengths of the three sides?
2. to #1.c.):
Translate the sentence into a mathematical operation:
to #2.a.): Yes
....... The last step is: add (-4x+10) on both sides of the equation - you only have to know why this is necessary!
You are suposed to know that the area of a rectangle is calculated by:
....... and .......
So you have to solve for x:
Therefore the rectangle has the dimensions: and