Question

me pueden ayudar, no entiendo como se hace
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Answer 1

• 30%a +x40%a + 20%a =

(30%+40%+20%) a = 90% a

• 49%x + 30%x + 52%x =

(49%+30%+52%) x = 131%x

• 35%b + 60%b + 24%b =

(35%+ 60%+24%) b = 119%b

• 72%M + 13%M + 14%M =

(72%+13%+14%) M = 99%M

• 144%M + 13%M + 14%M. =

(144%+13%+14%) M = 171%M

• 156%a + 12%a + 15%a =

(156%+12%+15%) a = 183%a