Answer:
The rate of change will be $25
Step-by-step explanation:
Since she started from $45 we have to count again so on the chart it goes 5, 10, 15, 20, and 25!
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So first let’s combine like terms and add 4/9x and 1/5x together to get 29/45x =58. Next, multiply 58 by 45/29 to isolate x, so x=90
Answer:
Ravi's age after 15 years = x+15
Ravi's age = 4 times his present age = 4x
According to question -
15 + x = 4x
=> 15 = 4x-x = 3x
=> 15 = 3x
=> x = 15/3
=> x = 5
Thus , Ravi's present age is 5 years.
Step-by-step explanation:
Answer:
0.75, 0.625, 0.5, 0.45
Step-by-step explanation:
Percent means parts out of 100 so
22%=22/100=0.22
'of' means multiply
'is' means =
36 is 22% of what
36=0.22 times what
divide both sides by 0.22
163.636363=what
the number is163.636363....