302,019,834 is the answer to your question
If you would like to solve the following proportion 15 / 21 = 5 / x, you can do this as follows:
15 / 21 = 5 / x /*x
15 / 21 * x = 5 /*21
15 * x = 5 * 21 /15
x = 5 * 21 / 15
x = 7
The correct result would be C. 7.
$4.30
Do ten times $3.57 and subtract it from $40
Answer:
sorry this doesnt make sense but i think your mutiplying so it would be 30 because he took 10 minutes on his homework and 3 minutes per question
Step-by-step explanation:
