Mason and nora decided to swim across the river. mason began swimming 7.7 seconds earlier than nora. mason swam at a speed of 5 feet per second. nora swam at a speed of 5+1 feet per second. for how many seconds had mason been swimming at the moment when the two swimmers had swam exactly the same distance?

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%