Answer:
k = 42
Step-by-step explanation:
given that x and y vary inversely then the equation connecting them is
y =
← k is the constant of variation
To find k use the condition y = 6 when x = 7
k = yx = 6 × 7 = 42
For part 2, you would use 3 thousands, as that is the biggest amount possible so far. The, you would use 1 ten [instead of 16 ones] and then 6 ones bacuse that is the smallest amount.
ANSWER
In 16 years time.
EXPLANATION.
If the number of subscribers is 324 million, then it means

But we were given that,

This implies that,

We now solve for t,




That will be approximately in the 16th year.
Answer:
$12 the hour
Step-by-step explanation: $360 divided by 30 is 12, meaning he will need to make a minimum of 12 an hour to support his family.