Answer:
We cant see the number line lol
Step-by-step explanation:
pretty sure its 8.15
multiply the fractions numerator x numerator and then denominator x denominator and then simplify
a) 4x + 8 - 2x + 7
= 2x +15
b) 2n × 5 × 2a
= 10n × 2a
= 20an
i think its 70 percent maybe