3 times the sum of 8 and 4
3(8 + 4) <== ur expression
10% of $20 is $2 (take off the end 0)
$20+10%=?
$20+$2[this is 10%]=$22
The selling price is $22
Answer:
Step-by-step explanation:
Use the cosine ratio, 
. Insert the values:
Isolate x. Multiply both sides by x:
Divide both sides by cos 25:
Insert into a calculator:
Round to the nearest hundredth:
Done.
Answer:
3 and 5, 15; 4 and 10, 20
Step-by-step explanation:
The lowest number divided by 3 and 5 is 15. Same for 4 and 10. The lowest number they can both be divided by is 20.
Answer:
54.79 because if it's 4 and lower, you let them stay the same but if its five and above you let them go higher.
