Answer:
65 chocolate bars altogether, equations in explanation
Step-by-step explanation:
Tom: 3 boxes of 8 chocolate bars
Equation: 3*8, which equals 24
Laura: Tom+17
Equation: 24+17 = 41
Together: 41+24 = 65 (equation)
Expression for together: Tom+Laura
Therefore, they have 65 chocolate bars altogether
Tom had (3 times 8) 24 boxes
Laura had (24+17) 41 boxes
Together they had (24+41) 65 boxes of chocolate
we know that
Using proportion