Answer:
See answers below
Step-by-step explanation:
Given the following ratios. We are to express them in their simplest forms
15:12
= 15/12
= (3*5)/(3*4)
= 3/3 * 5/4
= 5/4
b) 42:1
= 42/1
= 42
Given that 2:x :: 4:6
2/x = 4/6
Cross multiply
4x = 2*6
4x = 12
x = 12/4
x = 3
Hence the value of x is 3
Given that,
Colin buys a box of pasta that contains 823 cups of pasta.
He uses 212 cups to make dinner.
To find,
How much pasta is left?
Solution,
Left pasta = Total cups of pasta - used cups of pasta
= 823 - 212
= 611
Hence, 611 cups of pasta is left.
it's d just put them together to equal y
Easy just do this multiply the percent by 100 then divide the answer you got with the other number that is left and that will be your answer
