Atotal of $32,000 is to invested, some in bonds and some in certificates of deposit (cds). if the amount invested in bonds is to exceed that in cds by $8,000, how much will be invested in each type of investment

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!