in one years time, 20% of Ms. Mcelroys investments increased by 5%, 30% of her investments decreased by 5%, and 50% of her investments increased by what percent did the total of her investments increased by 3%, by what percent did the total of her investments increase

could you provide figure.

1.30

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -