Answer:
23/16, 1 7/16
Step-by-step explanation-
Add the fractions.
11/16 + 3/4 = 23/16.
It can be 23/16.
Or, if you want it simplified-
23/16 simplified is 1 7/16.
Total gumballs= 6 yellow+ 5 green + 4 red
= 15 gumballs
Green gumballs=5
Other gumballs= 15-5= 10
Probability= Other non-green gumballs/Total gumballs
=10/15 = 2/3
Probability of not getting green gumball is 2/3 or 66.66666.... %
The ration is 2:3.
Answer:
25 lawns
Step-by-step explanation:
To do this:
first create a ratio
5 L: 8 H
? L : 40 H
Then solve:
you can do this two ways
1. cross multiply
40*5=8?
200/8 = 25
2. divide
40/8 = 5
5*5 = 25
Hope this helps:)
Answer:
x^2 + 5x - 84 = 0
x = 7
Step-by-step explanation:
let the sister's age = y
sister's age (y) = 5 + x equation 1
xy = 84 equation 2
Make y the subject of the formula in equation 2
y = 84/x
equate equation 1 and 2
84/x = 5 + x equation 3
Multiply equation 3 by x
84 = 5x + x^2
x^2 + 5x - 84 = 0
tjis can be solved using quadratic equation
x^2 -7x + 12x -84 = 0
x(x + 12) -7(x + 12)
x = 7 or - 12
age cant be negative so his age is 7
