What percent of 800 is 78?

2 Answers
Aug 11, 2016

#color(green)(9.75%)# of #800# is #78#

Explanation:

If #x%# of #800# is #78#
then
#color(white)("XXX")x/100 xx 800 =78#

#color(white)("XXX")8x=78#

#color(white)("XXX")x=9 6/8 = 9 3/4 or 9.75#

Aug 11, 2016

#9.75%#

Explanation:

What percent is 78 of 800?

Write it exactly as it is said.

#78/800 xx 100 %#

=#9.75%#

Or use direct proportion, because percentages are always in the same ratio as the numbers.

#78/800 = x/100#

#x = (78xx100)/800#

#x = 9.75#