Answer:
A.
1. D= 90
SP= 660
2. D= 1440
SP= 3360
3. D=1250
SP=3750
B.
1.C= 72.50
2.C= 340.80
3.C=528
C.
1. ST=20
TC= 420
2. ST= 60
TC= 2060
3. ST=26.80
TC=696.80
D.
1. 56
2. 198
3. 613.125
Explanation:
A.FORMULA
DISCOUNT =MP-SP
SALE PRICE =MP-DR
EX.
FIRST SOLVE THE SALE PRICE. BEFORE YOU SOLVE THE DISCOUNT..
SALE PRICE 750-12%=660
DISCOUNT 750-660=90
B.FORMULA
TOTAL SALES X RATE OF COMMISSION
EX. 1450x5% =72.50
C.FORMULA
SALES TAX =SELLING PRICE x RATE OF SALES TAX
TOTAL COST =SELLING PRICE + SALES TAX
D. FORMULA
INTEREST= PRINCIPAL x RATE(%/100) x TIME
EX.
1400 x 0.08 x 0.5
=56
(kaya .5 yung months kasi yung 12 months is equal to 1year or 1.. kaya yung 6months is equal to 0.5)
***sana makatulong***
