Question

Jax and Jane’s arrangement of newspapers is given below.
Jax’s arrangement: 2 Hundreds + 6 Tens + 8 Tens + 9 Ones
Jane’s arrangement: 2 Hundreds + 7 Tens + 8 Tens + 9 Ones.
How many newspapers do they have in total?

• A. 708
• B. 718
• C. 698
• D. 498

Answer 1

The correct option is A 708

Jax’s arrangement: 2 Hundreds + 6 Tens + 8 Tens + 9 Ones
$=200+60+80+9$
$=200+140+9$
$=200+100+40+9$
$=300+40+9=349$

Jane’s arrangement: 2 Hundreds + 7 Tens + 8 Tens + 9 Ones
$=200+70+80+9$
$=200+150+9$
$=200+100+50+9$
$=300+50+9=359$
$349+359=?$

Using the HTO table for decomposition:

$=600+90+18$
$=600+90+10+8$
$=600+100+8$
$=700+8=708$

So, there are 708 newspapers in total.