45+1.99x=68.88
Subtract 45 from both sides
1.99x = 23.88
Divide both sides by 1.99
X=12
Answer:
multiplication
The asterisk , also called a "star," is used for a number of different purposed in mathematics. The most common usage is to denote multiplication so, for example, . When used as a superscript, the asterisk is commonly voiced " -star." A raised asterisk is used to denote the adjoint. , or sometimes the complex conjugate ...
Answer:
10x20+10x6=260
Step-by-step explanation:
Answer:
8 (x -9)
Step-by-step explanation:
I don't know if you ment 9 instead of 9, but if you did that that would be the answer!
Answer:
$5.40
Step-by-step explanation:
First, figure out the cost of the items with tax; for Tommy we have 20*0.08 = 1.6, add that 1.6 to the 20 and his purchase is $21.6, for John we have 25*0.08 = 2, add 2 to his 25 and his purchase is $27. To find the difference we subtract 27-21.6 = 5.4 or $5.40