Marina is solving the equation below by using the multiplicative inverse, or the reciprocal. One-fifth (x minus 2) = 20

By which number should Marina multiply both sides of the equation as the first step in solving it?
One-fifth
Four-fifths
5
20

For what value of x does 4x = (1/8) x + 5?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3