Answer:
(11 + c) + 8
Step-by-step explanation:
<u>Step 1</u>
The question says <em>"11 + Carlos's score (represented with a c)"</em>.
Hence: 11 + c
<u>Step 2</u>
The question says <em>"eight more than 11 + Carlos's score"</em>.
Hence: (11 + c) + 8
Well divide 10.5 by 5 and the answer is there! :D
Your Welcome!
the average can be calculated by adding the scores together and then dividing by the number of scores.
we can set up an equation:
let x = test score needed on next test
(72+72+80+x)/4 = 71
multiply both sides by 4
72+72+80+x = 284
add like terms
224+x=284
subtract 224 from both sides
x=60
she will need a 60 for her average to be 71
Answer:
306
Step-by-step explanation:
6*9=54
54*4=216
216+90=306
The GCF of 36 and 81 is 9
36/9 = 4 water balloons
81/9 = 9 beads
Katrina can invite 9 friends, with each getting 4 water balloons and 9 beads
