Answer:
4(d+3e)
Step-by-step explanation:
Step-by-step explanation: BIG BOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOYZZZZZZZZZZZZZZZZZZZZZZZZZ
The picture is blocked out D:
let an amount be a
increase an amount by 10% and then by 30%
= a*1.1 *1.3 = a*1.43