Answer:
SRU
Step-by-step explanation:
If Christina has 20 more than Marissa, then you can subtract 20 from the amount Christina has.
$100-$20 = $80
Marissa has $80
Answer:
27 purple marbles are there
Step-by-step explanation:
P = 2B + 5
P + B = 38
P = 2 x (38 - P) + 5
= 76 - 2P + 5
= 81 - 2P
3P = 81
P = 27